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Finding the Fourth Proportional to 667,583,812.80, 1,001,375,719.20 and 568,948,363.20

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Solution

The fourth proportional to 667,583,812.80, 1,001,375,719.20 and 568,948,363.20 is: 853,422,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,583,812.80 : 1,001,375,719.20 = 568,948,363.20 : x
  2. Step 2: Convert to fraction form
    667,583,812.80/1,001,375,719.20 = 568,948,363.20/x
  3. Step 3: Cross multiply
    667,583,812.80x = 1,001,375,719.20 × 568,948,363.20
  4. Step 4: Simplify right side
    667,583,812.80x = 569,731,076,387,062,912
  5. Step 5: Solve for x
    x = 569,731,076,387,062,912/667,583,812.80
  6. Step 6: Final answer
    x = 853,422,544.80

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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.