Home / 322,829,493.78-484,241,049.41-147,902,909.25

Finding the Fourth Proportional to 322,829,493.78, 484,241,049.41 and 147,902,909.25

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Solution

The fourth proportional to 322,829,493.78, 484,241,049.41 and 147,902,909.25 is: 221,852,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,829,493.78 : 484,241,049.41 = 147,902,909.25 : x
  2. Step 2: Convert to fraction form
    322,829,493.78/484,241,049.41 = 147,902,909.25/x
  3. Step 3: Cross multiply
    322,829,493.78x = 484,241,049.41 × 147,902,909.25
  4. Step 4: Simplify right side
    322,829,493.78x = 71,620,659,985,272,480
  5. Step 5: Solve for x
    x = 71,620,659,985,272,480/322,829,493.78
  6. Step 6: Final answer
    x = 221,852,901.81

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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.