Home / 419,905,366.20-629,858,049.30-132,691,030.20

Finding the Fourth Proportional to 419,905,366.20, 629,858,049.30 and 132,691,030.20

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Solution

The fourth proportional to 419,905,366.20, 629,858,049.30 and 132,691,030.20 is: 199,036,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,366.20 : 629,858,049.30 = 132,691,030.20 : x
  2. Step 2: Convert to fraction form
    419,905,366.20/629,858,049.30 = 132,691,030.20/x
  3. Step 3: Cross multiply
    419,905,366.20x = 629,858,049.30 × 132,691,030.20
  4. Step 4: Simplify right side
    419,905,366.20x = 83,576,513,441,379,392
  5. Step 5: Solve for x
    x = 83,576,513,441,379,392/419,905,366.20
  6. Step 6: Final answer
    x = 199,036,545.30

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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.