Home / 437,582,467.88-656,373,644.41-178,797,420.55

Finding the Fourth Proportional to 437,582,467.88, 656,373,644.41 and 178,797,420.55

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Solution

The fourth proportional to 437,582,467.88, 656,373,644.41 and 178,797,420.55 is: 268,196,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582,467.88 : 656,373,644.41 = 178,797,420.55 : x
  2. Step 2: Convert to fraction form
    437,582,467.88/656,373,644.41 = 178,797,420.55/x
  3. Step 3: Cross multiply
    437,582,467.88x = 656,373,644.41 × 178,797,420.55
  4. Step 4: Simplify right side
    437,582,467.88x = 117,357,914,537,510,928
  5. Step 5: Solve for x
    x = 117,357,914,537,510,928/437,582,467.88
  6. Step 6: Final answer
    x = 268,196,107.37

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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.