Home / 582,468,517.60-803,801,777.38-318,150,679.20

Finding the Fourth Proportional to 582,468,517.60, 803,801,777.38 and 318,150,679.20

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Solution

The fourth proportional to 582,468,517.60, 803,801,777.38 and 318,150,679.20 is: 439,045,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,468,517.60 : 803,801,777.38 = 318,150,679.20 : x
  2. Step 2: Convert to fraction form
    582,468,517.60/803,801,777.38 = 318,150,679.20/x
  3. Step 3: Cross multiply
    582,468,517.60x = 803,801,777.38 × 318,150,679.20
  4. Step 4: Simplify right side
    582,468,517.60x = 255,730,081,415,614,176
  5. Step 5: Solve for x
    x = 255,730,081,415,614,176/582,468,517.60
  6. Step 6: Final answer
    x = 439,045,328.10

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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.