Finding the Fourth Proportional to 927,057,125.13, 1,390,586,187.09 and 344,715,703.05
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Solution
The fourth proportional to 927,057,125.13, 1,390,586,187.09 and 344,715,703.05 is: 517,073,740.27
Step by Step Solution
- Step 1: Write the proportion equation
927,057,125.13 : 1,390,586,187.09 = 344,715,703.05 : x - Step 2: Convert to fraction form
927,057,125.13/1,390,586,187.09 = 344,715,703.05/x - Step 3: Cross multiply
927,057,125.13x = 1,390,586,187.09 × 344,715,703.05 - Step 4: Simplify right side
927,057,125.13x = 479,356,895,134,348,160 - Step 5: Solve for x
x = 479,356,895,134,348,160/927,057,125.13 - Step 6: Final answer
x = 517,073,740.27
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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.