Home / 20,212,022,745.90-27,890,719,556.25-11,179,586,449.39

Finding the Fourth Proportional to 20,212,022,745.90, 27,890,719,556.25 and 11,179,586,449.39

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Solution

The fourth proportional to 20,212,022,745.90, 27,890,719,556.25 and 11,179,586,449.39 is: 15,426,793,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,022,745.90 : 27,890,719,556.25 = 11,179,586,449.39 : x
  2. Step 2: Convert to fraction form
    20,212,022,745.90/27,890,719,556.25 = 11,179,586,449.39/x
  3. Step 3: Cross multiply
    20,212,022,745.90x = 27,890,719,556.25 × 11,179,586,449.39
  4. Step 4: Simplify right side
    20,212,022,745.90x = 311,806,710,414,789,181,440
  5. Step 5: Solve for x
    x = 311,806,710,414,789,181,440/20,212,022,745.90
  6. Step 6: Final answer
    x = 15,426,793,959.95

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Double scale
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1.5x scale

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.