Home / 629,860,496.40-944,790,744.60-398,577,373.20

Finding the Fourth Proportional to 629,860,496.40, 944,790,744.60 and 398,577,373.20

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Solution

The fourth proportional to 629,860,496.40, 944,790,744.60 and 398,577,373.20 is: 597,866,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,496.40 : 944,790,744.60 = 398,577,373.20 : x
  2. Step 2: Convert to fraction form
    629,860,496.40/944,790,744.60 = 398,577,373.20/x
  3. Step 3: Cross multiply
    629,860,496.40x = 944,790,744.60 × 398,577,373.20
  4. Step 4: Simplify right side
    629,860,496.40x = 376,572,213,206,340,096
  5. Step 5: Solve for x
    x = 376,572,213,206,340,096/629,860,496.40
  6. Step 6: Final answer
    x = 597,866,059.80

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Similar ratio
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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.