Home / 352,685,629.38-486,647,338.01-196,031,437.23

Finding the Fourth Proportional to 352,685,629.38, 486,647,338.01 and 196,031,437.23

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Solution

The fourth proportional to 352,685,629.38, 486,647,338.01 and 196,031,437.23 is: 270,490,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,685,629.38 : 486,647,338.01 = 196,031,437.23 : x
  2. Step 2: Convert to fraction form
    352,685,629.38/486,647,338.01 = 196,031,437.23/x
  3. Step 3: Cross multiply
    352,685,629.38x = 486,647,338.01 × 196,031,437.23
  4. Step 4: Simplify right side
    352,685,629.38x = 95,398,177,093,273,744
  5. Step 5: Solve for x
    x = 95,398,177,093,273,744/352,685,629.38
  6. Step 6: Final answer
    x = 270,490,683.90

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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.