Home / 392,741,351.76-589,198,244.58-116,413,879.90

Finding the Fourth Proportional to 392,741,351.76, 589,198,244.58 and 116,413,879.90

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Solution

The fourth proportional to 392,741,351.76, 589,198,244.58 and 116,413,879.90 is: 174,646,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,741,351.76 : 589,198,244.58 = 116,413,879.90 : x
  2. Step 2: Convert to fraction form
    392,741,351.76/589,198,244.58 = 116,413,879.90/x
  3. Step 3: Cross multiply
    392,741,351.76x = 589,198,244.58 × 116,413,879.90
  4. Step 4: Simplify right side
    392,741,351.76x = 68,590,853,681,826,952
  5. Step 5: Solve for x
    x = 68,590,853,681,826,952/392,741,351.76
  6. Step 6: Final answer
    x = 174,646,375.72

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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.