Home / 681,839,720.92-1,022,647,606.98-293,558,017.24

Finding the Fourth Proportional to 681,839,720.92, 1,022,647,606.98 and 293,558,017.24

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Solution

The fourth proportional to 681,839,720.92, 1,022,647,606.98 and 293,558,017.24 is: 440,288,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,839,720.92 : 1,022,647,606.98 = 293,558,017.24 : x
  2. Step 2: Convert to fraction form
    681,839,720.92/1,022,647,606.98 = 293,558,017.24/x
  3. Step 3: Cross multiply
    681,839,720.92x = 1,022,647,606.98 × 293,558,017.24
  4. Step 4: Simplify right side
    681,839,720.92x = 300,206,403,836,636,800
  5. Step 5: Solve for x
    x = 300,206,403,836,636,800/681,839,720.92
  6. Step 6: Final answer
    x = 440,288,816.60

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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.