Home / 489,760,333.31-675,869,260.07-269,743,759.31

Finding the Fourth Proportional to 489,760,333.31, 675,869,260.07 and 269,743,759.31

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Solution

The fourth proportional to 489,760,333.31, 675,869,260.07 and 269,743,759.31 is: 372,246,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,760,333.31 : 675,869,260.07 = 269,743,759.31 : x
  2. Step 2: Convert to fraction form
    489,760,333.31/675,869,260.07 = 269,743,759.31/x
  3. Step 3: Cross multiply
    489,760,333.31x = 675,869,260.07 × 269,743,759.31
  4. Step 4: Simplify right side
    489,760,333.31x = 182,311,515,015,713,888
  5. Step 5: Solve for x
    x = 182,311,515,015,713,888/489,760,333.31
  6. Step 6: Final answer
    x = 372,246,387.91

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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.