Home / 489,257,585.59-675,166,736.05-266,231,660.71

Finding the Fourth Proportional to 489,257,585.59, 675,166,736.05 and 266,231,660.71

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Solution

The fourth proportional to 489,257,585.59, 675,166,736.05 and 266,231,660.71 is: 367,394,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,257,585.59 : 675,166,736.05 = 266,231,660.71 : x
  2. Step 2: Convert to fraction form
    489,257,585.59/675,166,736.05 = 266,231,660.71/x
  3. Step 3: Cross multiply
    489,257,585.59x = 675,166,736.05 × 266,231,660.71
  4. Step 4: Simplify right side
    489,257,585.59x = 179,750,761,394,741,728
  5. Step 5: Solve for x
    x = 179,750,761,394,741,728/489,257,585.59
  6. Step 6: Final answer
    x = 367,394,940.19

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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.