Home / 527,824,948.40-792,115,336.20-221,337,018.80

Finding the Fourth Proportional to 527,824,948.40, 792,115,336.20 and 221,337,018.80

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Solution

The fourth proportional to 527,824,948.40, 792,115,336.20 and 221,337,018.80 is: 332,164,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,824,948.40 : 792,115,336.20 = 221,337,018.80 : x
  2. Step 2: Convert to fraction form
    527,824,948.40/792,115,336.20 = 221,337,018.80/x
  3. Step 3: Cross multiply
    527,824,948.40x = 792,115,336.20 × 221,337,018.80
  4. Step 4: Simplify right side
    527,824,948.40x = 175,324,447,060,267,744
  5. Step 5: Solve for x
    x = 175,324,447,060,267,744/527,824,948.40
  6. Step 6: Final answer
    x = 332,164,001.70

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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.