Home / 327,454,401.20-491,181,601.80-287,143,617.20

Finding the Fourth Proportional to 327,454,401.20, 491,181,601.80 and 287,143,617.20

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Solution

The fourth proportional to 327,454,401.20, 491,181,601.80 and 287,143,617.20 is: 430,715,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,454,401.20 : 491,181,601.80 = 287,143,617.20 : x
  2. Step 2: Convert to fraction form
    327,454,401.20/491,181,601.80 = 287,143,617.20/x
  3. Step 3: Cross multiply
    327,454,401.20x = 491,181,601.80 × 287,143,617.20
  4. Step 4: Simplify right side
    327,454,401.20x = 141,039,661,842,942,032
  5. Step 5: Solve for x
    x = 141,039,661,842,942,032/327,454,401.20
  6. Step 6: Final answer
    x = 430,715,425.80

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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.