Home / 290,846,319.97-401,491,767.29-195,532,107.51

Finding the Fourth Proportional to 290,846,319.97, 401,491,767.29 and 195,532,107.51

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Solution

The fourth proportional to 290,846,319.97, 401,491,767.29 and 195,532,107.51 is: 269,917,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,846,319.97 : 401,491,767.29 = 195,532,107.51 : x
  2. Step 2: Convert to fraction form
    290,846,319.97/401,491,767.29 = 195,532,107.51/x
  3. Step 3: Cross multiply
    290,846,319.97x = 401,491,767.29 × 195,532,107.51
  4. Step 4: Simplify right side
    290,846,319.97x = 78,504,531,406,617,008
  5. Step 5: Solve for x
    x = 78,504,531,406,617,008/290,846,319.97
  6. Step 6: Final answer
    x = 269,917,568.20

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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.