Home / 398,582,540.20-597,968,288.70-204,523,906.60

Finding the Fourth Proportional to 398,582,540.20, 597,968,288.70 and 204,523,906.60

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Solution

The fourth proportional to 398,582,540.20, 597,968,288.70 and 204,523,906.60 is: 306,834,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,582,540.20 : 597,968,288.70 = 204,523,906.60 : x
  2. Step 2: Convert to fraction form
    398,582,540.20/597,968,288.70 = 204,523,906.60/x
  3. Step 3: Cross multiply
    398,582,540.20x = 597,968,288.70 × 204,523,906.60
  4. Step 4: Simplify right side
    398,582,540.20x = 122,298,810,427,840,640
  5. Step 5: Solve for x
    x = 122,298,810,427,840,640/398,582,540.20
  6. Step 6: Final answer
    x = 306,834,339.42

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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.