Home / 629,856,800.10-944,785,200.15-397,404,506.70

Finding the Fourth Proportional to 629,856,800.10, 944,785,200.15 and 397,404,506.70

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Solution

The fourth proportional to 629,856,800.10, 944,785,200.15 and 397,404,506.70 is: 596,106,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,800.10 : 944,785,200.15 = 397,404,506.70 : x
  2. Step 2: Convert to fraction form
    629,856,800.10/944,785,200.15 = 397,404,506.70/x
  3. Step 3: Cross multiply
    629,856,800.10x = 944,785,200.15 × 397,404,506.70
  4. Step 4: Simplify right side
    629,856,800.10x = 375,461,896,403,071,488
  5. Step 5: Solve for x
    x = 375,461,896,403,071,488/629,856,800.10
  6. Step 6: Final answer
    x = 596,106,760.05

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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.