Finding the Fourth Proportional to 701,134,732.50, 967,594,420.17 and 387,863,545.38
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Solution
The fourth proportional to 701,134,732.50, 967,594,420.17 and 387,863,545.38 is: 535,267,452.75
Step by Step Solution
- Step 1: Write the proportion equation
701,134,732.50 : 967,594,420.17 = 387,863,545.38 : x - Step 2: Convert to fraction form
701,134,732.50/967,594,420.17 = 387,863,545.38/x - Step 3: Cross multiply
701,134,732.50x = 967,594,420.17 × 387,863,545.38 - Step 4: Simplify right side
701,134,732.50x = 375,294,602,297,041,536 - Step 5: Solve for x
x = 375,294,602,297,041,536/701,134,732.50 - Step 6: Final answer
x = 535,267,452.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.