Home / 852,192,030.70-1,278,288,046.05-818,749,009.90

Finding the Fourth Proportional to 852,192,030.70, 1,278,288,046.05 and 818,749,009.90

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Solution

The fourth proportional to 852,192,030.70, 1,278,288,046.05 and 818,749,009.90 is: 1,228,123,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,030.70 : 1,278,288,046.05 = 818,749,009.90 : x
  2. Step 2: Convert to fraction form
    852,192,030.70/1,278,288,046.05 = 818,749,009.90/x
  3. Step 3: Cross multiply
    852,192,030.70x = 1,278,288,046.05 × 818,749,009.90
  4. Step 4: Simplify right side
    852,192,030.70x = 1,046,597,072,070,443,008
  5. Step 5: Solve for x
    x = 1,046,597,072,070,443,008/852,192,030.70
  6. Step 6: Final answer
    x = 1,228,123,514.85

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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.