Home / 20,810,654,736.33-28,718,724,790.59-11,295,208,447.53

Finding the Fourth Proportional to 20,810,654,736.33, 28,718,724,790.59 and 11,295,208,447.53

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Solution

The fourth proportional to 20,810,654,736.33, 28,718,724,790.59 and 11,295,208,447.53 is: 15,587,399,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,654,736.33 : 28,718,724,790.59 = 11,295,208,447.53 : x
  2. Step 2: Convert to fraction form
    20,810,654,736.33/28,718,724,790.59 = 11,295,208,447.53/x
  3. Step 3: Cross multiply
    20,810,654,736.33x = 28,718,724,790.59 × 11,295,208,447.53
  4. Step 4: Simplify right side
    20,810,654,736.33x = 324,383,982,856,961,392,640
  5. Step 5: Solve for x
    x = 324,383,982,856,961,392,640/20,810,654,736.33
  6. Step 6: Final answer
    x = 15,587,399,193.68

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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.