Home / 527,834,990-791,726,732.88-195,906,585.76

Finding the Fourth Proportional to 527,834,990, 791,726,732.88 and 195,906,585.76

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Solution

The fourth proportional to 527,834,990, 791,726,732.88 and 195,906,585.76 is: 293,850,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,834,990 : 791,726,732.88 = 195,906,585.76 : x
  2. Step 2: Convert to fraction form
    527,834,990/791,726,732.88 = 195,906,585.76/x
  3. Step 3: Cross multiply
    527,834,990x = 791,726,732.88 × 195,906,585.76
  4. Step 4: Simplify right side
    527,834,990x = 155,104,481,093,440,320
  5. Step 5: Solve for x
    x = 155,104,481,093,440,320/527,834,990
  6. Step 6: Final answer
    x = 293,850,320.71

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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.