Home / 20,536,976,261.05-28,341,005,745.82-11,504,797,945.79

Finding the Fourth Proportional to 20,536,976,261.05, 28,341,005,745.82 and 11,504,797,945.79

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Solution

The fourth proportional to 20,536,976,261.05, 28,341,005,745.82 and 11,504,797,945.79 is: 15,876,609,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,976,261.05 : 28,341,005,745.82 = 11,504,797,945.79 : x
  2. Step 2: Convert to fraction form
    20,536,976,261.05/28,341,005,745.82 = 11,504,797,945.79/x
  3. Step 3: Cross multiply
    20,536,976,261.05x = 28,341,005,745.82 × 11,504,797,945.79
  4. Step 4: Simplify right side
    20,536,976,261.05x = 326,057,544,686,178,598,912
  5. Step 5: Solve for x
    x = 326,057,544,686,178,598,912/20,536,976,261.05
  6. Step 6: Final answer
    x = 15,876,609,124.03

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Double scale
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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.