Home / 22,790,190,617.28-31,450,647,713.31-12,629,088,215.42

Finding the Fourth Proportional to 22,790,190,617.28, 31,450,647,713.31 and 12,629,088,215.42

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Solution

The fourth proportional to 22,790,190,617.28, 31,450,647,713.31 and 12,629,088,215.42 is: 17,428,244,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790,190,617.28 : 31,450,647,713.31 = 12,629,088,215.42 : x
  2. Step 2: Convert to fraction form
    22,790,190,617.28/31,450,647,713.31 = 12,629,088,215.42/x
  3. Step 3: Cross multiply
    22,790,190,617.28x = 31,450,647,713.31 × 12,629,088,215.42
  4. Step 4: Simplify right side
    22,790,190,617.28x = 397,193,004,403,332,087,808
  5. Step 5: Solve for x
    x = 397,193,004,403,332,087,808/22,790,190,617.28
  6. Step 6: Final answer
    x = 17,428,244,066.65

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1.5x scale

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.