Home / 629,856,906.30-944,785,359.45-400,841,264.70

Finding the Fourth Proportional to 629,856,906.30, 944,785,359.45 and 400,841,264.70

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Solution

The fourth proportional to 629,856,906.30, 944,785,359.45 and 400,841,264.70 is: 601,261,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,906.30 : 944,785,359.45 = 400,841,264.70 : x
  2. Step 2: Convert to fraction form
    629,856,906.30/944,785,359.45 = 400,841,264.70/x
  3. Step 3: Cross multiply
    629,856,906.30x = 944,785,359.45 × 400,841,264.70
  4. Step 4: Simplify right side
    629,856,906.30x = 378,708,958,351,982,080
  5. Step 5: Solve for x
    x = 378,708,958,351,982,080/629,856,906.30
  6. Step 6: Final answer
    x = 601,261,897.05

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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.