Home / 511,946,571.38-706,481,238.84-276,992,076.61

Finding the Fourth Proportional to 511,946,571.38, 706,481,238.84 and 276,992,076.61

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Solution

The fourth proportional to 511,946,571.38, 706,481,238.84 and 276,992,076.61 is: 382,246,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,946,571.38 : 706,481,238.84 = 276,992,076.61 : x
  2. Step 2: Convert to fraction form
    511,946,571.38/706,481,238.84 = 276,992,076.61/x
  3. Step 3: Cross multiply
    511,946,571.38x = 706,481,238.84 × 276,992,076.61
  4. Step 4: Simplify right side
    511,946,571.38x = 195,689,705,428,764,608
  5. Step 5: Solve for x
    x = 195,689,705,428,764,608/511,946,571.38
  6. Step 6: Final answer
    x = 382,246,344.38

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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.