Home / 392,252,882.54-541,333,561.47-216,040,842.86

Finding the Fourth Proportional to 392,252,882.54, 541,333,561.47 and 216,040,842.86

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Solution

The fourth proportional to 392,252,882.54, 541,333,561.47 and 216,040,842.86 is: 298,149,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,252,882.54 : 541,333,561.47 = 216,040,842.86 : x
  2. Step 2: Convert to fraction form
    392,252,882.54/541,333,561.47 = 216,040,842.86/x
  3. Step 3: Cross multiply
    392,252,882.54x = 541,333,561.47 × 216,040,842.86
  4. Step 4: Simplify right side
    392,252,882.54x = 116,950,158,888,384,432
  5. Step 5: Solve for x
    x = 116,950,158,888,384,432/392,252,882.54
  6. Step 6: Final answer
    x = 298,149,903.02

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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.