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Finding the Fourth Proportional to 568,746,006.70, 853,119,010.05 and 502,989,040.30

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Solution

The fourth proportional to 568,746,006.70, 853,119,010.05 and 502,989,040.30 is: 754,483,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,746,006.70 : 853,119,010.05 = 502,989,040.30 : x
  2. Step 2: Convert to fraction form
    568,746,006.70/853,119,010.05 = 502,989,040.30/x
  3. Step 3: Cross multiply
    568,746,006.70x = 853,119,010.05 × 502,989,040.30
  4. Step 4: Simplify right side
    568,746,006.70x = 429,109,512,126,735,552
  5. Step 5: Solve for x
    x = 429,109,512,126,735,552/568,746,006.70
  6. Step 6: Final answer
    x = 754,483,560.45

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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.