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Finding the Fourth Proportional to 637,715,511.90, 955,061,613.45 and 637,715,511.90

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Solution

The fourth proportional to 637,715,511.90, 955,061,613.45 and 637,715,511.90 is: 955,061,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,715,511.90 : 955,061,613.45 = 637,715,511.90 : x
  2. Step 2: Convert to fraction form
    637,715,511.90/955,061,613.45 = 637,715,511.90/x
  3. Step 3: Cross multiply
    637,715,511.90x = 955,061,613.45 × 637,715,511.90
  4. Step 4: Simplify right side
    637,715,511.90x = 609,057,605,717,306,624
  5. Step 5: Solve for x
    x = 609,057,605,717,306,624/637,715,511.90
  6. Step 6: Final answer
    x = 955,061,613.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.