Home / 259,161,047.20-388,741,570.80-251,986,593.70

Finding the Fourth Proportional to 259,161,047.20, 388,741,570.80 and 251,986,593.70

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Solution

The fourth proportional to 259,161,047.20, 388,741,570.80 and 251,986,593.70 is: 377,979,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,161,047.20 : 388,741,570.80 = 251,986,593.70 : x
  2. Step 2: Convert to fraction form
    259,161,047.20/388,741,570.80 = 251,986,593.70/x
  3. Step 3: Cross multiply
    259,161,047.20x = 388,741,570.80 × 251,986,593.70
  4. Step 4: Simplify right side
    259,161,047.20x = 97,957,664,255,479,376
  5. Step 5: Solve for x
    x = 97,957,664,255,479,376/259,161,047.20
  6. Step 6: Final answer
    x = 377,979,890.55

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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.