Finding the Fourth Proportional to 287,380,948.14, 431,343,952.92 and 177,874,872.84
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Solution
The fourth proportional to 287,380,948.14, 431,343,952.92 and 177,874,872.84 is: 266,980,992.56
Step by Step Solution
- Step 1: Write the proportion equation
287,380,948.14 : 431,343,952.92 = 177,874,872.84 : x - Step 2: Convert to fraction form
287,380,948.14/431,343,952.92 = 177,874,872.84/x - Step 3: Cross multiply
287,380,948.14x = 431,343,952.92 × 177,874,872.84 - Step 4: Simplify right side
287,380,948.14x = 76,725,250,775,947,952 - Step 5: Solve for x
x = 76,725,250,775,947,952/287,380,948.14 - Step 6: Final answer
x = 266,980,992.56
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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.