Home / 330,912,981.40-496,369,472.10-219,948,100.60

Finding the Fourth Proportional to 330,912,981.40, 496,369,472.10 and 219,948,100.60

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Solution

The fourth proportional to 330,912,981.40, 496,369,472.10 and 219,948,100.60 is: 329,922,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,912,981.40 : 496,369,472.10 = 219,948,100.60 : x
  2. Step 2: Convert to fraction form
    330,912,981.40/496,369,472.10 = 219,948,100.60/x
  3. Step 3: Cross multiply
    330,912,981.40x = 496,369,472.10 × 219,948,100.60
  4. Step 4: Simplify right side
    330,912,981.40x = 109,175,522,584,219,696
  5. Step 5: Solve for x
    x = 109,175,522,584,219,696/330,912,981.40
  6. Step 6: Final answer
    x = 329,922,150.90

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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.