Home / 437,582,469.87-656,373,647.40-178,797,422.55

Finding the Fourth Proportional to 437,582,469.87, 656,373,647.40 and 178,797,422.55

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Solution

The fourth proportional to 437,582,469.87, 656,373,647.40 and 178,797,422.55 is: 268,196,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582,469.87 : 656,373,647.40 = 178,797,422.55 : x
  2. Step 2: Convert to fraction form
    437,582,469.87/656,373,647.40 = 178,797,422.55/x
  3. Step 3: Cross multiply
    437,582,469.87x = 656,373,647.40 × 178,797,422.55
  4. Step 4: Simplify right side
    437,582,469.87x = 117,357,916,384,862,512
  5. Step 5: Solve for x
    x = 117,357,916,384,862,512/437,582,469.87
  6. Step 6: Final answer
    x = 268,196,110.37

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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.