Finding the Fourth Proportional to 565,687,836.23, 780,717,174.08 and 342,662,974.02
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Solution
The fourth proportional to 565,687,836.23, 780,717,174.08 and 342,662,974.02 is: 472,916,070.68
Step by Step Solution
- Step 1: Write the proportion equation
565,687,836.23 : 780,717,174.08 = 342,662,974.02 : x - Step 2: Convert to fraction form
565,687,836.23/780,717,174.08 = 342,662,974.02/x - Step 3: Cross multiply
565,687,836.23x = 780,717,174.08 × 342,662,974.02 - Step 4: Simplify right side
565,687,836.23x = 267,522,868,737,029,536 - Step 5: Solve for x
x = 267,522,868,737,029,536/565,687,836.23 - Step 6: Final answer
x = 472,916,070.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.