Home / 18,085,863,789.89-27,131,886,375.97-7,456,277,431.52

Finding the Fourth Proportional to 18,085,863,789.89, 27,131,886,375.97 and 7,456,277,431.52

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Solution

The fourth proportional to 18,085,863,789.89, 27,131,886,375.97 and 7,456,277,431.52 is: 11,185,690,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,863,789.89 : 27,131,886,375.97 = 7,456,277,431.52 : x
  2. Step 2: Convert to fraction form
    18,085,863,789.89/27,131,886,375.97 = 7,456,277,431.52/x
  3. Step 3: Cross multiply
    18,085,863,789.89x = 27,131,886,375.97 × 7,456,277,431.52
  4. Step 4: Simplify right side
    18,085,863,789.89x = 202,302,872,059,765,686,272
  5. Step 5: Solve for x
    x = 202,302,872,059,765,686,272/18,085,863,789.89
  6. Step 6: Final answer
    x = 11,185,690,349.66

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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.