Home / 388,622,002-582,847,015.60-112,213,217.44

Finding the Fourth Proportional to 388,622,002, 582,847,015.60 and 112,213,217.44

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Solution

The fourth proportional to 388,622,002, 582,847,015.60 and 112,213,217.44 is: 168,294,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,622,002 : 582,847,015.60 = 112,213,217.44 : x
  2. Step 2: Convert to fraction form
    388,622,002/582,847,015.60 = 112,213,217.44/x
  3. Step 3: Cross multiply
    388,622,002x = 582,847,015.60 × 112,213,217.44
  4. Step 4: Simplify right side
    388,622,002x = 65,403,138,895,777,872
  5. Step 5: Solve for x
    x = 65,403,138,895,777,872/388,622,002
  6. Step 6: Final answer
    x = 168,294,997.60

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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.