Home / 724,866,919.56-1,087,363,010.62-200,235,837.83

Finding the Fourth Proportional to 724,866,919.56, 1,087,363,010.62 and 200,235,837.83

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Solution

The fourth proportional to 724,866,919.56, 1,087,363,010.62 and 200,235,837.83 is: 300,371,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,866,919.56 : 1,087,363,010.62 = 200,235,837.83 : x
  2. Step 2: Convert to fraction form
    724,866,919.56/1,087,363,010.62 = 200,235,837.83/x
  3. Step 3: Cross multiply
    724,866,919.56x = 1,087,363,010.62 × 200,235,837.83
  4. Step 4: Simplify right side
    724,866,919.56x = 217,729,043,450,408,896
  5. Step 5: Solve for x
    x = 217,729,043,450,408,896/724,866,919.56
  6. Step 6: Final answer
    x = 300,371,057.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.