Home / 331,776,891.40-497,665,337.10-329,761,352.20

Finding the Fourth Proportional to 331,776,891.40, 497,665,337.10 and 329,761,352.20

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Solution

The fourth proportional to 331,776,891.40, 497,665,337.10 and 329,761,352.20 is: 494,642,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,891.40 : 497,665,337.10 = 329,761,352.20 : x
  2. Step 2: Convert to fraction form
    331,776,891.40/497,665,337.10 = 329,761,352.20/x
  3. Step 3: Cross multiply
    331,776,891.40x = 497,665,337.10 × 329,761,352.20
  4. Step 4: Simplify right side
    331,776,891.40x = 164,110,794,505,164,832
  5. Step 5: Solve for x
    x = 164,110,794,505,164,832/331,776,891.40
  6. Step 6: Final answer
    x = 494,642,028.30

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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.