Home / 319,764,251.39-479,692,131.45-98,454,316.56

Finding the Fourth Proportional to 319,764,251.39, 479,692,131.45 and 98,454,316.56

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Solution

The fourth proportional to 319,764,251.39, 479,692,131.45 and 98,454,316.56 is: 147,695,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,764,251.39 : 479,692,131.45 = 98,454,316.56 : x
  2. Step 2: Convert to fraction form
    319,764,251.39/479,692,131.45 = 98,454,316.56/x
  3. Step 3: Cross multiply
    319,764,251.39x = 479,692,131.45 × 98,454,316.56
  4. Step 4: Simplify right side
    319,764,251.39x = 47,227,760,960,166,336
  5. Step 5: Solve for x
    x = 47,227,760,960,166,336/319,764,251.39
  6. Step 6: Final answer
    x = 147,695,562.45

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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.