Home / 419,904,414.60-629,856,621.90-113,227,528.20

Finding the Fourth Proportional to 419,904,414.60, 629,856,621.90 and 113,227,528.20

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Solution

The fourth proportional to 419,904,414.60, 629,856,621.90 and 113,227,528.20 is: 169,841,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,414.60 : 629,856,621.90 = 113,227,528.20 : x
  2. Step 2: Convert to fraction form
    419,904,414.60/629,856,621.90 = 113,227,528.20/x
  3. Step 3: Cross multiply
    419,904,414.60x = 629,856,621.90 × 113,227,528.20
  4. Step 4: Simplify right side
    419,904,414.60x = 71,317,108,418,138,984
  5. Step 5: Solve for x
    x = 71,317,108,418,138,984/419,904,414.60
  6. Step 6: Final answer
    x = 169,841,292.30

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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.