Home / 22,790,190,623.52-31,450,647,721.94-12,629,088,221.66

Finding the Fourth Proportional to 22,790,190,623.52, 31,450,647,721.94 and 12,629,088,221.66

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Solution

The fourth proportional to 22,790,190,623.52, 31,450,647,721.94 and 12,629,088,221.66 is: 17,428,244,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790,190,623.52 : 31,450,647,721.94 = 12,629,088,221.66 : x
  2. Step 2: Convert to fraction form
    22,790,190,623.52/31,450,647,721.94 = 12,629,088,221.66/x
  3. Step 3: Cross multiply
    22,790,190,623.52x = 31,450,647,721.94 × 12,629,088,221.66
  4. Step 4: Simplify right side
    22,790,190,623.52x = 397,193,004,708,730,372,096
  5. Step 5: Solve for x
    x = 397,193,004,708,730,372,096/22,790,190,623.52
  6. Step 6: Final answer
    x = 17,428,244,075.27

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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.