Home / 419,904,610.20-629,856,915.30-267,227,515.80

Finding the Fourth Proportional to 419,904,610.20, 629,856,915.30 and 267,227,515.80

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Solution

The fourth proportional to 419,904,610.20, 629,856,915.30 and 267,227,515.80 is: 400,841,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,610.20 : 629,856,915.30 = 267,227,515.80 : x
  2. Step 2: Convert to fraction form
    419,904,610.20/629,856,915.30 = 267,227,515.80/x
  3. Step 3: Cross multiply
    419,904,610.20x = 629,856,915.30 × 267,227,515.80
  4. Step 4: Simplify right side
    419,904,610.20x = 168,315,098,785,070,016
  5. Step 5: Solve for x
    x = 168,315,098,785,070,016/419,904,610.20
  6. Step 6: Final answer
    x = 400,841,273.70

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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.