Home / 629,856,801.60-944,785,202.40-397,404,508.20

Finding the Fourth Proportional to 629,856,801.60, 944,785,202.40 and 397,404,508.20

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Solution

The fourth proportional to 629,856,801.60, 944,785,202.40 and 397,404,508.20 is: 596,106,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,801.60 : 944,785,202.40 = 397,404,508.20 : x
  2. Step 2: Convert to fraction form
    629,856,801.60/944,785,202.40 = 397,404,508.20/x
  3. Step 3: Cross multiply
    629,856,801.60x = 944,785,202.40 × 397,404,508.20
  4. Step 4: Simplify right side
    629,856,801.60x = 375,461,898,714,409,408
  5. Step 5: Solve for x
    x = 375,461,898,714,409,408/629,856,801.60
  6. Step 6: Final answer
    x = 596,106,762.30

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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.