Home / 209,765,864.36-289,385,059.68-200,040,494

Finding the Fourth Proportional to 209,765,864.36, 289,385,059.68 and 200,040,494

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Solution

The fourth proportional to 209,765,864.36, 289,385,059.68 and 200,040,494 is: 275,968,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,765,864.36 : 289,385,059.68 = 200,040,494 : x
  2. Step 2: Convert to fraction form
    209,765,864.36/289,385,059.68 = 200,040,494/x
  3. Step 3: Cross multiply
    209,765,864.36x = 289,385,059.68 × 200,040,494
  4. Step 4: Simplify right side
    209,765,864.36x = 57,888,730,294,606,680
  5. Step 5: Solve for x
    x = 57,888,730,294,606,680/209,765,864.36
  6. Step 6: Final answer
    x = 275,968,306.24

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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.