Home / 489,760,517.88-675,869,514.89-269,743,943.88

Finding the Fourth Proportional to 489,760,517.88, 675,869,514.89 and 269,743,943.88

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Solution

The fourth proportional to 489,760,517.88, 675,869,514.89 and 269,743,943.88 is: 372,246,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,760,517.88 : 675,869,514.89 = 269,743,943.88 : x
  2. Step 2: Convert to fraction form
    489,760,517.88/675,869,514.89 = 269,743,943.88/x
  3. Step 3: Cross multiply
    489,760,517.88x = 675,869,514.89 × 269,743,943.88
  4. Step 4: Simplify right side
    489,760,517.88x = 182,311,708,493,342,272
  5. Step 5: Solve for x
    x = 182,311,708,493,342,272/489,760,517.88
  6. Step 6: Final answer
    x = 372,246,642.67

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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.