Finding the Fourth Proportional to 731,926,128.81, 1,097,951,194.68 and 234,008,427.09
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Solution
The fourth proportional to 731,926,128.81, 1,097,951,194.68 and 234,008,427.09 is: 351,032,463.49
Step by Step Solution
- Step 1: Write the proportion equation
731,926,128.81 : 1,097,951,194.68 = 234,008,427.09 : x - Step 2: Convert to fraction form
731,926,128.81/1,097,951,194.68 = 234,008,427.09/x - Step 3: Cross multiply
731,926,128.81x = 1,097,951,194.68 × 234,008,427.09 - Step 4: Simplify right side
731,926,128.81x = 256,929,832,088,653,184 - Step 5: Solve for x
x = 256,929,832,088,653,184/731,926,128.81 - Step 6: Final answer
x = 351,032,463.49
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.