Home / 724,866,921.70-1,087,363,013.82-200,235,839.98

Finding the Fourth Proportional to 724,866,921.70, 1,087,363,013.82 and 200,235,839.98

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Solution

The fourth proportional to 724,866,921.70, 1,087,363,013.82 and 200,235,839.98 is: 300,371,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,866,921.70 : 1,087,363,013.82 = 200,235,839.98 : x
  2. Step 2: Convert to fraction form
    724,866,921.70/1,087,363,013.82 = 200,235,839.98/x
  3. Step 3: Cross multiply
    724,866,921.70x = 1,087,363,013.82 × 200,235,839.98
  4. Step 4: Simplify right side
    724,866,921.70x = 217,729,046,435,432,032
  5. Step 5: Solve for x
    x = 217,729,046,435,432,032/724,866,921.70
  6. Step 6: Final answer
    x = 300,371,061.11

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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.