Home / 647,694,297.90-971,541,446.85-531,468,151.20

Finding the Fourth Proportional to 647,694,297.90, 971,541,446.85 and 531,468,151.20

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Solution

The fourth proportional to 647,694,297.90, 971,541,446.85 and 531,468,151.20 is: 797,202,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,297.90 : 971,541,446.85 = 531,468,151.20 : x
  2. Step 2: Convert to fraction form
    647,694,297.90/971,541,446.85 = 531,468,151.20/x
  3. Step 3: Cross multiply
    647,694,297.90x = 971,541,446.85 × 531,468,151.20
  4. Step 4: Simplify right side
    647,694,297.90x = 516,343,336,571,542,592
  5. Step 5: Solve for x
    x = 516,343,336,571,542,592/647,694,297.90
  6. Step 6: Final answer
    x = 797,202,226.80

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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.