Home / 392,291,960.32-541,362,903.12-227,375,188.96

Finding the Fourth Proportional to 392,291,960.32, 541,362,903.12 and 227,375,188.96

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Solution

The fourth proportional to 392,291,960.32, 541,362,903.12 and 227,375,188.96 is: 313,777,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,291,960.32 : 541,362,903.12 = 227,375,188.96 : x
  2. Step 2: Convert to fraction form
    392,291,960.32/541,362,903.12 = 227,375,188.96/x
  3. Step 3: Cross multiply
    392,291,960.32x = 541,362,903.12 × 227,375,188.96
  4. Step 4: Simplify right side
    392,291,960.32x = 123,092,492,392,844,176
  5. Step 5: Solve for x
    x = 123,092,492,392,844,176/392,291,960.32
  6. Step 6: Final answer
    x = 313,777,759.54

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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.