Home / 209,765,863.36-289,385,058.30-200,040,493

Finding the Fourth Proportional to 209,765,863.36, 289,385,058.30 and 200,040,493

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Solution

The fourth proportional to 209,765,863.36, 289,385,058.30 and 200,040,493 is: 275,968,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,765,863.36 : 289,385,058.30 = 200,040,493 : x
  2. Step 2: Convert to fraction form
    209,765,863.36/289,385,058.30 = 200,040,493/x
  3. Step 3: Cross multiply
    209,765,863.36x = 289,385,058.30 × 200,040,493
  4. Step 4: Simplify right side
    209,765,863.36x = 57,888,729,729,165,744
  5. Step 5: Solve for x
    x = 57,888,729,729,165,744/209,765,863.36
  6. Step 6: Final answer
    x = 275,968,304.86

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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.