three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 0.334125. find the number
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now 2:3:4
sum of the cubes 0.334125
then
2x^3+3x^3+4x^3=0.334125
9x^3=0.334125
x^3= 0.334125/9
x^3=0.37125
x=3√0.37125
approximately x=0.578
2x^3=2×0.578^3=0.74250
3x^3=3×0.37125=1.11375
4x^3=4×0.37125=1.48500
sum of the cubes 0.334125
then
2x^3+3x^3+4x^3=0.334125
9x^3=0.334125
x^3= 0.334125/9
x^3=0.37125
x=3√0.37125
approximately x=0.578
2x^3=2×0.578^3=0.74250
3x^3=3×0.37125=1.11375
4x^3=4×0.37125=1.48500
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