Home / 527,824,940.40-792,115,324.20-221,337,010.80

Finding the Fourth Proportional to 527,824,940.40, 792,115,324.20 and 221,337,010.80

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Solution

The fourth proportional to 527,824,940.40, 792,115,324.20 and 221,337,010.80 is: 332,163,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,824,940.40 : 792,115,324.20 = 221,337,010.80 : x
  2. Step 2: Convert to fraction form
    527,824,940.40/792,115,324.20 = 221,337,010.80/x
  3. Step 3: Cross multiply
    527,824,940.40x = 792,115,324.20 × 221,337,010.80
  4. Step 4: Simplify right side
    527,824,940.40x = 175,324,438,067,300,928
  5. Step 5: Solve for x
    x = 175,324,438,067,300,928/527,824,940.40
  6. Step 6: Final answer
    x = 332,163,989.70

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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.