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There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans.
New School Algebra - Σελίδα 332
των George Albert Wentworth - 1898 - 407 σελίδες
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## An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

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...the squares of all the three numbers as 5 to 7. What are the numbers 1 Ans. 5, 10, and 20. Prob. 7. There are four numbers in geometrical progression,...the sum of the extremes is to the sum of the means} us 7 to 3. What are the numbers 1 Ans. 1, 3, 9, 27. : Lisa; ,lt T :.v ri-a-.'-if • •••: ' .....

## An Elementary Treatise on Algebra, in Theory and Practice: With Attempts to ...

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## Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

James Bates Thomson - 1844 - 252 σελίδες
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Horatio Nelson Robinson - 1844 - 167 σελίδες
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## A Treatise on Algebra

Elias Loomis - 1846 - 346 σελίδες
...progression whose continued product is 64, and the sum of their cubes is 584. Required the numbers. Prob. 4. There are four numbers in geometrical progression,...the extremes is to the sum of the means as 7 to 3. Required the numbers. Prob. 5. Of four numbers in geometrical progression, the difference between the...

## A Treatise on Algebra

Elias Loomis - 1846 - 346 σελίδες
...continued product is 64, and the sum of their cubes is 584. Required the numbers. ^ - J -"ï_ ' Prob. 4. There are four numbers in geometrical progression,...the extremes is to the sum of the means as 7 to 3. Required the numbers. ••'/ / "} ¿ > Prob. 5. Of four numbers in geometrical progression, the difference...

## An Elementary Treatise on Algebra: Theoretical and Practical

Horatio Nelson Robinson - 1846 - 262 σελίδες
...progression, such that their sum shall be 14, and the sum of their squares 84. Ans. 2, 4, and 8. 8. There are four numbers in geometrical progression,...the extremes is to the sum of the means, as 7 to 3. What are the numbers? Ans. 1, 3, 9 and 27. 9. The sum of four numbers in geometrical progression is...

## An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1847 - 332 σελίδες
...the squares of all the three numbers as 5 to 7. What are the numbers 1 Ans. 5, 10, and 20. Prob. 7. There are four numbers in geometrical progression,...the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans. 1, 3, 9, 27. SECTION XV. INFINITES AND INFINITESIMALS.* ART. 445. THE word...

## A Theoretical and Practical Treatise on Algebra ...

Horatio Nelson Robinson - 1848 - 320 σελίδες
...progression, such that their sum shall be 14, and the sum of iheir squares 84. > Jnft. 2, 4, and 8. 8. There are four numbers in geometrical progression,...the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans. 1, 3, 9 and 27. 9. The sum of four numbers in geometrical progression is...

## Elements of Algebra: Being an Abridgment of Day's Algebra, Adapted to the ...

Jeremiah Day, James Bates Thomson - 1848 - 252 σελίδες
...is to the sum of the squares of all the three numbers as 5 to 7. WJiat are the numbers 1 Prob. 16. There are four numbers in geometrical progression,...the extremes is to the sum of the means as 7 to 3. What are the numbers ? SECTION XV. EVOLUTION OF COMPOUND QUANTITIES. 376. RULE. — I. Arrange the...