Home / 22,790,190,622.52-31,450,647,720.56-12,629,088,220.66

Finding the Fourth Proportional to 22,790,190,622.52, 31,450,647,720.56 and 12,629,088,220.66

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Solution

The fourth proportional to 22,790,190,622.52, 31,450,647,720.56 and 12,629,088,220.66 is: 17,428,244,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790,190,622.52 : 31,450,647,720.56 = 12,629,088,220.66 : x
  2. Step 2: Convert to fraction form
    22,790,190,622.52/31,450,647,720.56 = 12,629,088,220.66/x
  3. Step 3: Cross multiply
    22,790,190,622.52x = 31,450,647,720.56 × 12,629,088,220.66
  4. Step 4: Simplify right side
    22,790,190,622.52x = 397,193,004,659,694,043,136
  5. Step 5: Solve for x
    x = 397,193,004,659,694,043,136/22,790,190,622.52
  6. Step 6: Final answer
    x = 17,428,244,073.89

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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.