Home / 852,192,021.70-1,278,288,032.55-818,749,000.90

Finding the Fourth Proportional to 852,192,021.70, 1,278,288,032.55 and 818,749,000.90

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Solution

The fourth proportional to 852,192,021.70, 1,278,288,032.55 and 818,749,000.90 is: 1,228,123,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,192,021.70 : 1,278,288,032.55 = 818,749,000.90 : x
  2. Step 2: Convert to fraction form
    852,192,021.70/1,278,288,032.55 = 818,749,000.90/x
  3. Step 3: Cross multiply
    852,192,021.70x = 1,278,288,032.55 × 818,749,000.90
  4. Step 4: Simplify right side
    852,192,021.70x = 1,046,597,049,512,739,072
  5. Step 5: Solve for x
    x = 1,046,597,049,512,739,072/852,192,021.70
  6. Step 6: Final answer
    x = 1,228,123,501.35

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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.