Finding the Fourth Proportional to 1,057,537,727.70, 1,586,306,591.55 and 981,955,007.70
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Solution
The fourth proportional to 1,057,537,727.70, 1,586,306,591.55 and 981,955,007.70 is: 1,472,932,511.55
Step by Step Solution
- Step 1: Write the proportion equation
1,057,537,727.70 : 1,586,306,591.55 = 981,955,007.70 : x - Step 2: Convert to fraction form
1,057,537,727.70/1,586,306,591.55 = 981,955,007.70/x - Step 3: Cross multiply
1,057,537,727.70x = 1,586,306,591.55 × 981,955,007.70 - Step 4: Simplify right side
1,057,537,727.70x = 1,557,681,701,320,040,960 - Step 5: Solve for x
x = 1,557,681,701,320,040,960/1,057,537,727.70 - Step 6: Final answer
x = 1,472,932,511.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.