Home / 18,195,517,408.37-27,294,648,418.16-5,431,583,814.18

Finding the Fourth Proportional to 18,195,517,408.37, 27,294,648,418.16 and 5,431,583,814.18

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Solution

The fourth proportional to 18,195,517,408.37, 27,294,648,418.16 and 5,431,583,814.18 is: 8,147,785,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,517,408.37 : 27,294,648,418.16 = 5,431,583,814.18 : x
  2. Step 2: Convert to fraction form
    18,195,517,408.37/27,294,648,418.16 = 5,431,583,814.18/x
  3. Step 3: Cross multiply
    18,195,517,408.37x = 27,294,648,418.16 × 5,431,583,814.18
  4. Step 4: Simplify right side
    18,195,517,408.37x = 148,253,170,561,784,446,976
  5. Step 5: Solve for x
    x = 148,253,170,561,784,446,976/18,195,517,408.37
  6. Step 6: Final answer
    x = 8,147,785,371.23

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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.