Home / 345,206,016.30-517,805,481.38-199,546,895.54

Finding the Fourth Proportional to 345,206,016.30, 517,805,481.38 and 199,546,895.54

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Solution

The fourth proportional to 345,206,016.30, 517,805,481.38 and 199,546,895.54 is: 299,318,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,206,016.30 : 517,805,481.38 = 199,546,895.54 : x
  2. Step 2: Convert to fraction form
    345,206,016.30/517,805,481.38 = 199,546,895.54/x
  3. Step 3: Cross multiply
    345,206,016.30x = 517,805,481.38 × 199,546,895.54
  4. Step 4: Simplify right side
    345,206,016.30x = 103,326,476,302,974,272
  5. Step 5: Solve for x
    x = 103,326,476,302,974,272/345,206,016.30
  6. Step 6: Final answer
    x = 299,318,295.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.