Home / 527,908,246.10-792,145,804.35-221,231,359.70

Finding the Fourth Proportional to 527,908,246.10, 792,145,804.35 and 221,231,359.70

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Solution

The fourth proportional to 527,908,246.10, 792,145,804.35 and 221,231,359.70 is: 331,965,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,908,246.10 : 792,145,804.35 = 221,231,359.70 : x
  2. Step 2: Convert to fraction form
    527,908,246.10/792,145,804.35 = 221,231,359.70/x
  3. Step 3: Cross multiply
    527,908,246.10x = 792,145,804.35 × 221,231,359.70
  4. Step 4: Simplify right side
    527,908,246.10x = 175,247,493,377,000,672
  5. Step 5: Solve for x
    x = 175,247,493,377,000,672/527,908,246.10
  6. Step 6: Final answer
    x = 331,965,819.20

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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.