Home / 629,857,421.20-944,786,131.80-499,760,664.40

Finding the Fourth Proportional to 629,857,421.20, 944,786,131.80 and 499,760,664.40

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Solution

The fourth proportional to 629,857,421.20, 944,786,131.80 and 499,760,664.40 is: 749,640,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,421.20 : 944,786,131.80 = 499,760,664.40 : x
  2. Step 2: Convert to fraction form
    629,857,421.20/944,786,131.80 = 499,760,664.40/x
  3. Step 3: Cross multiply
    629,857,421.20x = 944,786,131.80 × 499,760,664.40
  4. Step 4: Simplify right side
    629,857,421.20x = 472,166,944,944,273,920
  5. Step 5: Solve for x
    x = 472,166,944,944,273,920/629,857,421.20
  6. Step 6: Final answer
    x = 749,640,996.60

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1.5x scale

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.