Home / 591,107,920.73-815,745,955.49-326,806,939.10

Finding the Fourth Proportional to 591,107,920.73, 815,745,955.49 and 326,806,939.10

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Solution

The fourth proportional to 591,107,920.73, 815,745,955.49 and 326,806,939.10 is: 451,002,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,107,920.73 : 815,745,955.49 = 326,806,939.10 : x
  2. Step 2: Convert to fraction form
    591,107,920.73/815,745,955.49 = 326,806,939.10/x
  3. Step 3: Cross multiply
    591,107,920.73x = 815,745,955.49 × 326,806,939.10
  4. Step 4: Simplify right side
    591,107,920.73x = 266,591,438,797,487,680
  5. Step 5: Solve for x
    x = 266,591,438,797,487,680/591,107,920.73
  6. Step 6: Final answer
    x = 451,002,988.54

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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.