Home / 629,857,115.10-944,785,672.65-220,765,643.10

Finding the Fourth Proportional to 629,857,115.10, 944,785,672.65 and 220,765,643.10

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Solution

The fourth proportional to 629,857,115.10, 944,785,672.65 and 220,765,643.10 is: 331,148,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,115.10 : 944,785,672.65 = 220,765,643.10 : x
  2. Step 2: Convert to fraction form
    629,857,115.10/944,785,672.65 = 220,765,643.10/x
  3. Step 3: Cross multiply
    629,857,115.10x = 944,785,672.65 × 220,765,643.10
  4. Step 4: Simplify right side
    629,857,115.10x = 208,576,216,614,243,328
  5. Step 5: Solve for x
    x = 208,576,216,614,243,328/629,857,115.10
  6. Step 6: Final answer
    x = 331,148,464.65

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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.