Home / 1,587,785,049.53-2,381,948,911-654,597,769.78

Finding the Fourth Proportional to 1,587,785,049.53, 2,381,948,911 and 654,597,769.78

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Solution

The fourth proportional to 1,587,785,049.53, 2,381,948,911 and 654,597,769.78 is: 982,008,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,785,049.53 : 2,381,948,911 = 654,597,769.78 : x
  2. Step 2: Convert to fraction form
    1,587,785,049.53/2,381,948,911 = 654,597,769.78/x
  3. Step 3: Cross multiply
    1,587,785,049.53x = 2,381,948,911 × 654,597,769.78
  4. Step 4: Simplify right side
    1,587,785,049.53x = 1,559,218,444,858,589,952
  5. Step 5: Solve for x
    x = 1,559,218,444,858,589,952/1,587,785,049.53
  6. Step 6: Final answer
    x = 982,008,518.92

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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.