Home / 852,192,046.20-1,278,288,069.30-818,749,025.40

Finding the Fourth Proportional to 852,192,046.20, 1,278,288,069.30 and 818,749,025.40

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Solution

The fourth proportional to 852,192,046.20, 1,278,288,069.30 and 818,749,025.40 is: 1,228,123,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,046.20 : 1,278,288,069.30 = 818,749,025.40 : x
  2. Step 2: Convert to fraction form
    852,192,046.20/1,278,288,069.30 = 818,749,025.40/x
  3. Step 3: Cross multiply
    852,192,046.20x = 1,278,288,069.30 × 818,749,025.40
  4. Step 4: Simplify right side
    852,192,046.20x = 1,046,597,110,919,822,592
  5. Step 5: Solve for x
    x = 1,046,597,110,919,822,592/852,192,046.20
  6. Step 6: Final answer
    x = 1,228,123,538.10

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1.5x scale

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.