Home / 629,856,742.80-944,785,114.20-400,841,101.20

Finding the Fourth Proportional to 629,856,742.80, 944,785,114.20 and 400,841,101.20

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Solution

The fourth proportional to 629,856,742.80, 944,785,114.20 and 400,841,101.20 is: 601,261,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,742.80 : 944,785,114.20 = 400,841,101.20 : x
  2. Step 2: Convert to fraction form
    629,856,742.80/944,785,114.20 = 400,841,101.20/x
  3. Step 3: Cross multiply
    629,856,742.80x = 944,785,114.20 × 400,841,101.20
  4. Step 4: Simplify right side
    629,856,742.80x = 378,708,705,573,295,744
  5. Step 5: Solve for x
    x = 378,708,705,573,295,744/629,856,742.80
  6. Step 6: Final answer
    x = 601,261,651.80

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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.