Home / 629,856,747.60-944,785,121.40-400,085,278.80

Finding the Fourth Proportional to 629,856,747.60, 944,785,121.40 and 400,085,278.80

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Solution

The fourth proportional to 629,856,747.60, 944,785,121.40 and 400,085,278.80 is: 600,127,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,747.60 : 944,785,121.40 = 400,085,278.80 : x
  2. Step 2: Convert to fraction form
    629,856,747.60/944,785,121.40 = 400,085,278.80/x
  3. Step 3: Cross multiply
    629,856,747.60x = 944,785,121.40 × 400,085,278.80
  4. Step 4: Simplify right side
    629,856,747.60x = 377,994,618,701,410,880
  5. Step 5: Solve for x
    x = 377,994,618,701,410,880/629,856,747.60
  6. Step 6: Final answer
    x = 600,127,918.20

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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.