Home / 639,892,292.20-958,995,683.42-270,970,752.26

Finding the Fourth Proportional to 639,892,292.20, 958,995,683.42 and 270,970,752.26

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Solution

The fourth proportional to 639,892,292.20, 958,995,683.42 and 270,970,752.26 is: 406,099,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,892,292.20 : 958,995,683.42 = 270,970,752.26 : x
  2. Step 2: Convert to fraction form
    639,892,292.20/958,995,683.42 = 270,970,752.26/x
  3. Step 3: Cross multiply
    639,892,292.20x = 958,995,683.42 × 270,970,752.26
  4. Step 4: Simplify right side
    639,892,292.20x = 259,859,781,750,410,176
  5. Step 5: Solve for x
    x = 259,859,781,750,410,176/639,892,292.20
  6. Step 6: Final answer
    x = 406,099,252.82

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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.