Home / 719,469,593.92-1,079,307,338.15-221,522,240.44

Finding the Fourth Proportional to 719,469,593.92, 1,079,307,338.15 and 221,522,240.44

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Solution

The fourth proportional to 719,469,593.92, 1,079,307,338.15 and 221,522,240.44 is: 332,315,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,593.92 : 1,079,307,338.15 = 221,522,240.44 : x
  2. Step 2: Convert to fraction form
    719,469,593.92/1,079,307,338.15 = 221,522,240.44/x
  3. Step 3: Cross multiply
    719,469,593.92x = 1,079,307,338.15 × 221,522,240.44
  4. Step 4: Simplify right side
    719,469,593.92x = 239,090,579,673,116,160
  5. Step 5: Solve for x
    x = 239,090,579,673,116,160/719,469,593.92
  6. Step 6: Final answer
    x = 332,315,057.78

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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.