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Finding the Fourth Proportional to 580,613,772.60, 870,920,658.90 and 258,127,500.60

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Solution

The fourth proportional to 580,613,772.60, 870,920,658.90 and 258,127,500.60 is: 387,191,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,613,772.60 : 870,920,658.90 = 258,127,500.60 : x
  2. Step 2: Convert to fraction form
    580,613,772.60/870,920,658.90 = 258,127,500.60/x
  3. Step 3: Cross multiply
    580,613,772.60x = 870,920,658.90 × 258,127,500.60
  4. Step 4: Simplify right side
    580,613,772.60x = 224,808,572,902,762,144
  5. Step 5: Solve for x
    x = 224,808,572,902,762,144/580,613,772.60
  6. Step 6: Final answer
    x = 387,191,250.90

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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.