Home / 437,582,470.88-656,373,648.90-178,797,423.56

Finding the Fourth Proportional to 437,582,470.88, 656,373,648.90 and 178,797,423.56

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Solution

The fourth proportional to 437,582,470.88, 656,373,648.90 and 178,797,423.56 is: 268,196,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582,470.88 : 656,373,648.90 = 178,797,423.56 : x
  2. Step 2: Convert to fraction form
    437,582,470.88/656,373,648.90 = 178,797,423.56/x
  3. Step 3: Cross multiply
    437,582,470.88x = 656,373,648.90 × 178,797,423.56
  4. Step 4: Simplify right side
    437,582,470.88x = 117,357,917,315,996,032
  5. Step 5: Solve for x
    x = 117,357,917,315,996,032/437,582,470.88
  6. Step 6: Final answer
    x = 268,196,111.88

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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.