Home / 419,905,511.55-629,858,267.33-147,240,849.15

Finding the Fourth Proportional to 419,905,511.55, 629,858,267.33 and 147,240,849.15

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Solution

The fourth proportional to 419,905,511.55, 629,858,267.33 and 147,240,849.15 is: 220,861,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,511.55 : 629,858,267.33 = 147,240,849.15 : x
  2. Step 2: Convert to fraction form
    419,905,511.55/629,858,267.33 = 147,240,849.15/x
  3. Step 3: Cross multiply
    419,905,511.55x = 629,858,267.33 × 147,240,849.15
  4. Step 4: Simplify right side
    419,905,511.55x = 92,740,866,125,080,704
  5. Step 5: Solve for x
    x = 92,740,866,125,080,704/419,905,511.55
  6. Step 6: Final answer
    x = 220,861,273.73

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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.