Home / 327,890,873.20-492,025,266.60-123,565,586.80

Finding the Fourth Proportional to 327,890,873.20, 492,025,266.60 and 123,565,586.80

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Solution

The fourth proportional to 327,890,873.20, 492,025,266.60 and 123,565,586.80 is: 185,419,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890,873.20 : 492,025,266.60 = 123,565,586.80 : x
  2. Step 2: Convert to fraction form
    327,890,873.20/492,025,266.60 = 123,565,586.80/x
  3. Step 3: Cross multiply
    327,890,873.20x = 492,025,266.60 × 123,565,586.80
  4. Step 4: Simplify right side
    327,890,873.20x = 60,797,390,787,855,440
  5. Step 5: Solve for x
    x = 60,797,390,787,855,440/327,890,873.20
  6. Step 6: Final answer
    x = 185,419,588.52

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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.