Question

three number are in the ratio 1:3:2and sum of their cubes is equal to 2.304. find the sum of the number

Answer 1

let the numbers be h, 3h, 2h

according to question  

h^3+27(h^3)+8(h^3)=2.304

36h^3=2.304

h=[2.304/36]^{1/3}

numbers are h, 34,2h

Answer 2

hi,

here the sum of cubes would be 2304

if so …
then,

1x^3 + 3x ^3 + 2x^3 = 2304
6x^3 = 2304
x^3 = 2304÷ 6
x = cube root 384
x =