Home / 419,904,523.60-629,856,785.40-413,102,078.80

Finding the Fourth Proportional to 419,904,523.60, 629,856,785.40 and 413,102,078.80

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Solution

The fourth proportional to 419,904,523.60, 629,856,785.40 and 413,102,078.80 is: 619,653,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,523.60 : 629,856,785.40 = 413,102,078.80 : x
  2. Step 2: Convert to fraction form
    419,904,523.60/629,856,785.40 = 413,102,078.80/x
  3. Step 3: Cross multiply
    419,904,523.60x = 629,856,785.40 × 413,102,078.80
  4. Step 4: Simplify right side
    419,904,523.60x = 260,195,147,395,025,472
  5. Step 5: Solve for x
    x = 260,195,147,395,025,472/419,904,523.60
  6. Step 6: Final answer
    x = 619,653,118.20

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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.