Home / 380,491,732.38-525,081,278.07-206,651,476.38

Finding the Fourth Proportional to 380,491,732.38, 525,081,278.07 and 206,651,476.38

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Solution

The fourth proportional to 380,491,732.38, 525,081,278.07 and 206,651,476.38 is: 285,180,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,491,732.38 : 525,081,278.07 = 206,651,476.38 : x
  2. Step 2: Convert to fraction form
    380,491,732.38/525,081,278.07 = 206,651,476.38/x
  3. Step 3: Cross multiply
    380,491,732.38x = 525,081,278.07 × 206,651,476.38
  4. Step 4: Simplify right side
    380,491,732.38x = 108,508,821,332,662,816
  5. Step 5: Solve for x
    x = 108,508,821,332,662,816/380,491,732.38
  6. Step 6: Final answer
    x = 285,180,496.97

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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.