Home / 538,715,064.60-807,684,771.24-331,024,356.90

Finding the Fourth Proportional to 538,715,064.60, 807,684,771.24 and 331,024,356.90

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Solution

The fourth proportional to 538,715,064.60, 807,684,771.24 and 331,024,356.90 is: 496,298,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,715,064.60 : 807,684,771.24 = 331,024,356.90 : x
  2. Step 2: Convert to fraction form
    538,715,064.60/807,684,771.24 = 331,024,356.90/x
  3. Step 3: Cross multiply
    538,715,064.60x = 807,684,771.24 × 331,024,356.90
  4. Step 4: Simplify right side
    538,715,064.60x = 267,363,331,977,644,608
  5. Step 5: Solve for x
    x = 267,363,331,977,644,608/538,715,064.60
  6. Step 6: Final answer
    x = 496,298,228.04

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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.