Home / 852,192,031.70-1,278,288,047.55-818,749,010.90

Finding the Fourth Proportional to 852,192,031.70, 1,278,288,047.55 and 818,749,010.90

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Solution

The fourth proportional to 852,192,031.70, 1,278,288,047.55 and 818,749,010.90 is: 1,228,123,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,031.70 : 1,278,288,047.55 = 818,749,010.90 : x
  2. Step 2: Convert to fraction form
    852,192,031.70/1,278,288,047.55 = 818,749,010.90/x
  3. Step 3: Cross multiply
    852,192,031.70x = 1,278,288,047.55 × 818,749,010.90
  4. Step 4: Simplify right side
    852,192,031.70x = 1,046,597,074,576,854,656
  5. Step 5: Solve for x
    x = 1,046,597,074,576,854,656/852,192,031.70
  6. Step 6: Final answer
    x = 1,228,123,516.35

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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.