y \cdot ( 1,25 ) ^ { 3 } = 4
Solve for y
y=2,048
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y\times 1,953125=4
Calculate 1,25 to the power of 3 and get 1,953125.
y=\frac{4}{1,953125}
Divide both sides by 1,953125.
y=\frac{4000000}{1953125}
Expand \frac{4}{1,953125} by multiplying both numerator and the denominator by 1000000.
y=\frac{256}{125}
Reduce the fraction \frac{4000000}{1953125} to lowest terms by extracting and canceling out 15625.
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