Finding the Fourth Proportional to 547,141,248.87, 820,762,326.14 and 178,678,132.18
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Solution
The fourth proportional to 547,141,248.87, 820,762,326.14 and 178,678,132.18 is: 268,033,674.48
Step by Step Solution
- Step 1: Write the proportion equation
547,141,248.87 : 820,762,326.14 = 178,678,132.18 : x - Step 2: Convert to fraction form
547,141,248.87/820,762,326.14 = 178,678,132.18/x - Step 3: Cross multiply
547,141,248.87x = 820,762,326.14 × 178,678,132.18 - Step 4: Simplify right side
547,141,248.87x = 146,652,279,396,131,936 - Step 5: Solve for x
x = 146,652,279,396,131,936/547,141,248.87 - Step 6: Final answer
x = 268,033,674.48
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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.