Home / 386,229,940.20-532,932,701.19-227,491,668.93

Finding the Fourth Proportional to 386,229,940.20, 532,932,701.19 and 227,491,668.93

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Solution

The fourth proportional to 386,229,940.20, 532,932,701.19 and 227,491,668.93 is: 313,900,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,229,940.20 : 532,932,701.19 = 227,491,668.93 : x
  2. Step 2: Convert to fraction form
    386,229,940.20/532,932,701.19 = 227,491,668.93/x
  3. Step 3: Cross multiply
    386,229,940.20x = 532,932,701.19 × 227,491,668.93
  4. Step 4: Simplify right side
    386,229,940.20x = 121,237,749,621,086,096
  5. Step 5: Solve for x
    x = 121,237,749,621,086,096/386,229,940.20
  6. Step 6: Final answer
    x = 313,900,443.76

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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.