Home / 398,582,541.20-597,968,290.20-204,523,907.60

Finding the Fourth Proportional to 398,582,541.20, 597,968,290.20 and 204,523,907.60

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Solution

The fourth proportional to 398,582,541.20, 597,968,290.20 and 204,523,907.60 is: 306,834,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,582,541.20 : 597,968,290.20 = 204,523,907.60 : x
  2. Step 2: Convert to fraction form
    398,582,541.20/597,968,290.20 = 204,523,907.60/x
  3. Step 3: Cross multiply
    398,582,541.20x = 597,968,290.20 × 204,523,907.60
  4. Step 4: Simplify right side
    398,582,541.20x = 122,298,811,332,594,784
  5. Step 5: Solve for x
    x = 122,298,811,332,594,784/398,582,541.20
  6. Step 6: Final answer
    x = 306,834,340.92

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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.