Home / 18,498,359,757.75-25,527,755,358.50-10,040,185,278.78

Finding the Fourth Proportional to 18,498,359,757.75, 25,527,755,358.50 and 10,040,185,278.78

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Solution

The fourth proportional to 18,498,359,757.75, 25,527,755,358.50 and 10,040,185,278.78 is: 13,855,465,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,359,757.75 : 25,527,755,358.50 = 10,040,185,278.78 : x
  2. Step 2: Convert to fraction form
    18,498,359,757.75/25,527,755,358.50 = 10,040,185,278.78/x
  3. Step 3: Cross multiply
    18,498,359,757.75x = 25,527,755,358.50 × 10,040,185,278.78
  4. Step 4: Simplify right side
    18,498,359,757.75x = 256,303,393,550,708,965,376
  5. Step 5: Solve for x
    x = 256,303,393,550,708,965,376/18,498,359,757.75
  6. Step 6: Final answer
    x = 13,855,465,938.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.