Home / 724,866,920.70-1,087,363,012.32-200,235,838.98

Finding the Fourth Proportional to 724,866,920.70, 1,087,363,012.32 and 200,235,838.98

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Solution

The fourth proportional to 724,866,920.70, 1,087,363,012.32 and 200,235,838.98 is: 300,371,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,866,920.70 : 1,087,363,012.32 = 200,235,838.98 : x
  2. Step 2: Convert to fraction form
    724,866,920.70/1,087,363,012.32 = 200,235,838.98/x
  3. Step 3: Cross multiply
    724,866,920.70x = 1,087,363,012.32 × 200,235,838.98
  4. Step 4: Simplify right side
    724,866,920.70x = 217,729,045,047,715,264
  5. Step 5: Solve for x
    x = 217,729,045,047,715,264/724,866,920.70
  6. Step 6: Final answer
    x = 300,371,059.61

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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.