Home / 264,214,069.70-396,321,104.55-209,794,511.30

Finding the Fourth Proportional to 264,214,069.70, 396,321,104.55 and 209,794,511.30

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Solution

The fourth proportional to 264,214,069.70, 396,321,104.55 and 209,794,511.30 is: 314,691,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,214,069.70 : 396,321,104.55 = 209,794,511.30 : x
  2. Step 2: Convert to fraction form
    264,214,069.70/396,321,104.55 = 209,794,511.30/x
  3. Step 3: Cross multiply
    264,214,069.70x = 396,321,104.55 × 209,794,511.30
  4. Step 4: Simplify right side
    264,214,069.70x = 83,145,992,446,943,456
  5. Step 5: Solve for x
    x = 83,145,992,446,943,456/264,214,069.70
  6. Step 6: Final answer
    x = 314,691,766.95

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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.