Home / 363,215,015.28-501,247,382.76-198,213,233.04

Finding the Fourth Proportional to 363,215,015.28, 501,247,382.76 and 198,213,233.04

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Solution

The fourth proportional to 363,215,015.28, 501,247,382.76 and 198,213,233.04 is: 273,540,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,215,015.28 : 501,247,382.76 = 198,213,233.04 : x
  2. Step 2: Convert to fraction form
    363,215,015.28/501,247,382.76 = 198,213,233.04/x
  3. Step 3: Cross multiply
    363,215,015.28x = 501,247,382.76 × 198,213,233.04
  4. Step 4: Simplify right side
    363,215,015.28x = 99,353,864,289,697,952
  5. Step 5: Solve for x
    x = 99,353,864,289,697,952/363,215,015.28
  6. Step 6: Final answer
    x = 273,540,079.87

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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.