Home / 209,765,866.36-289,385,062.44-200,040,496

Finding the Fourth Proportional to 209,765,866.36, 289,385,062.44 and 200,040,496

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Solution

The fourth proportional to 209,765,866.36, 289,385,062.44 and 200,040,496 is: 275,968,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,765,866.36 : 289,385,062.44 = 200,040,496 : x
  2. Step 2: Convert to fraction form
    209,765,866.36/289,385,062.44 = 200,040,496/x
  3. Step 3: Cross multiply
    209,765,866.36x = 289,385,062.44 × 200,040,496
  4. Step 4: Simplify right side
    209,765,866.36x = 57,888,731,425,488,568
  5. Step 5: Solve for x
    x = 57,888,731,425,488,568/209,765,866.36
  6. Step 6: Final answer
    x = 275,968,309.00

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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.