Home / 629,857,139.10-944,785,708.65-432,586,239.90

Finding the Fourth Proportional to 629,857,139.10, 944,785,708.65 and 432,586,239.90

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Solution

The fourth proportional to 629,857,139.10, 944,785,708.65 and 432,586,239.90 is: 648,879,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,139.10 : 944,785,708.65 = 432,586,239.90 : x
  2. Step 2: Convert to fraction form
    629,857,139.10/944,785,708.65 = 432,586,239.90/x
  3. Step 3: Cross multiply
    629,857,139.10x = 944,785,708.65 × 432,586,239.90
  4. Step 4: Simplify right side
    629,857,139.10x = 408,701,297,216,160,384
  5. Step 5: Solve for x
    x = 408,701,297,216,160,384/629,857,139.10
  6. Step 6: Final answer
    x = 648,879,359.85

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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.