Home / 629,856,765.60-944,785,148.40-397,404,472.20

Finding the Fourth Proportional to 629,856,765.60, 944,785,148.40 and 397,404,472.20

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Solution

The fourth proportional to 629,856,765.60, 944,785,148.40 and 397,404,472.20 is: 596,106,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,765.60 : 944,785,148.40 = 397,404,472.20 : x
  2. Step 2: Convert to fraction form
    629,856,765.60/944,785,148.40 = 397,404,472.20/x
  3. Step 3: Cross multiply
    629,856,765.60x = 944,785,148.40 × 397,404,472.20
  4. Step 4: Simplify right side
    629,856,765.60x = 375,461,843,242,300,672
  5. Step 5: Solve for x
    x = 375,461,843,242,300,672/629,856,765.60
  6. Step 6: Final answer
    x = 596,106,708.30

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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.