Home / 18,231,811,623.38-27,379,014,023.24-11,190,640,970.43

Finding the Fourth Proportional to 18,231,811,623.38, 27,379,014,023.24 and 11,190,640,970.43

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Solution

The fourth proportional to 18,231,811,623.38, 27,379,014,023.24 and 11,190,640,970.43 is: 16,805,171,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,811,623.38 : 27,379,014,023.24 = 11,190,640,970.43 : x
  2. Step 2: Convert to fraction form
    18,231,811,623.38/27,379,014,023.24 = 11,190,640,970.43/x
  3. Step 3: Cross multiply
    18,231,811,623.38x = 27,379,014,023.24 × 11,190,640,970.43
  4. Step 4: Simplify right side
    18,231,811,623.38x = 306,388,716,058,391,085,056
  5. Step 5: Solve for x
    x = 306,388,716,058,391,085,056/18,231,811,623.38
  6. Step 6: Final answer
    x = 16,805,171,224.21

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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.