Home / 319,764,251.67-479,692,131.90-98,454,316.85

Finding the Fourth Proportional to 319,764,251.67, 479,692,131.90 and 98,454,316.85

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Solution

The fourth proportional to 319,764,251.67, 479,692,131.90 and 98,454,316.85 is: 147,695,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,764,251.67 : 479,692,131.90 = 98,454,316.85 : x
  2. Step 2: Convert to fraction form
    319,764,251.67/479,692,131.90 = 98,454,316.85/x
  3. Step 3: Cross multiply
    319,764,251.67x = 479,692,131.90 × 98,454,316.85
  4. Step 4: Simplify right side
    319,764,251.67x = 47,227,761,144,669,424
  5. Step 5: Solve for x
    x = 47,227,761,144,669,424/319,764,251.67
  6. Step 6: Final answer
    x = 147,695,562.90

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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.