Home / 352,207,278.60-528,310,917.90-221,260,216.20

Finding the Fourth Proportional to 352,207,278.60, 528,310,917.90 and 221,260,216.20

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Solution

The fourth proportional to 352,207,278.60, 528,310,917.90 and 221,260,216.20 is: 331,890,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,207,278.60 : 528,310,917.90 = 221,260,216.20 : x
  2. Step 2: Convert to fraction form
    352,207,278.60/528,310,917.90 = 221,260,216.20/x
  3. Step 3: Cross multiply
    352,207,278.60x = 528,310,917.90 × 221,260,216.20
  4. Step 4: Simplify right side
    352,207,278.60x = 116,894,187,915,374,432
  5. Step 5: Solve for x
    x = 116,894,187,915,374,432/352,207,278.60
  6. Step 6: Final answer
    x = 331,890,324.30

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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.