Home / 20,017,846,712.73-27,622,802,571.20-11,878,247,346.06

Finding the Fourth Proportional to 20,017,846,712.73, 27,622,802,571.20 and 11,878,247,346.06

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Solution

The fourth proportional to 20,017,846,712.73, 27,622,802,571.20 and 11,878,247,346.06 is: 16,390,897,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,846,712.73 : 27,622,802,571.20 = 11,878,247,346.06 : x
  2. Step 2: Convert to fraction form
    20,017,846,712.73/27,622,802,571.20 = 11,878,247,346.06/x
  3. Step 3: Cross multiply
    20,017,846,712.73x = 27,622,802,571.20 × 11,878,247,346.06
  4. Step 4: Simplify right side
    20,017,846,712.73x = 328,110,481,332,036,304,896
  5. Step 5: Solve for x
    x = 328,110,481,332,036,304,896/20,017,846,712.73
  6. Step 6: Final answer
    x = 16,390,897,884.31

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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.