Home / 319,764,253.39-479,692,134.45-98,454,318.56

Finding the Fourth Proportional to 319,764,253.39, 479,692,134.45 and 98,454,318.56

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Solution

The fourth proportional to 319,764,253.39, 479,692,134.45 and 98,454,318.56 is: 147,695,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,764,253.39 : 479,692,134.45 = 98,454,318.56 : x
  2. Step 2: Convert to fraction form
    319,764,253.39/479,692,134.45 = 98,454,318.56/x
  3. Step 3: Cross multiply
    319,764,253.39x = 479,692,134.45 × 98,454,318.56
  4. Step 4: Simplify right side
    319,764,253.39x = 47,227,762,215,866,648
  5. Step 5: Solve for x
    x = 47,227,762,215,866,648/319,764,253.39
  6. Step 6: Final answer
    x = 147,695,565.45

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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.