Question

the ratio 2 ratio 3 ratio 4 the sum of their cubes is 0.334125 find the numbers

Answer 1

Let the nos. be

2x, 3x and 4x

Therefore, A.T.Q

(2x)³ + (3x)³ + (4x)³ = 0.334125 

⇒ 8x³ + 27x³ + 64x³ = 0.334125 

⇒ 99x³ = 0.334125 

 ⇒ x = 0.15 

So, The numbers are: 

 ∴ 2(0.15) = 0.3 ,   

3(0.15) = 0.45,   

4(0.15) = 0.6

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