Home / 264,214,072.20-396,321,108.30-209,794,513.80

Finding the Fourth Proportional to 264,214,072.20, 396,321,108.30 and 209,794,513.80

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Solution

The fourth proportional to 264,214,072.20, 396,321,108.30 and 209,794,513.80 is: 314,691,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,214,072.20 : 396,321,108.30 = 209,794,513.80 : x
  2. Step 2: Convert to fraction form
    264,214,072.20/396,321,108.30 = 209,794,513.80/x
  3. Step 3: Cross multiply
    264,214,072.20x = 396,321,108.30 × 209,794,513.80
  4. Step 4: Simplify right side
    264,214,072.20x = 83,145,994,224,475,648
  5. Step 5: Solve for x
    x = 83,145,994,224,475,648/264,214,072.20
  6. Step 6: Final answer
    x = 314,691,770.70

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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.