Home / 852,192,032.70-1,278,288,049.05-818,749,011.90

Finding the Fourth Proportional to 852,192,032.70, 1,278,288,049.05 and 818,749,011.90

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Solution

The fourth proportional to 852,192,032.70, 1,278,288,049.05 and 818,749,011.90 is: 1,228,123,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,032.70 : 1,278,288,049.05 = 818,749,011.90 : x
  2. Step 2: Convert to fraction form
    852,192,032.70/1,278,288,049.05 = 818,749,011.90/x
  3. Step 3: Cross multiply
    852,192,032.70x = 1,278,288,049.05 × 818,749,011.90
  4. Step 4: Simplify right side
    852,192,032.70x = 1,046,597,077,083,266,176
  5. Step 5: Solve for x
    x = 1,046,597,077,083,266,176/852,192,032.70
  6. Step 6: Final answer
    x = 1,228,123,517.85

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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.