Home / 402,970,010.20-603,447,245.70-322,348,442.20

Finding the Fourth Proportional to 402,970,010.20, 603,447,245.70 and 322,348,442.20

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Solution

The fourth proportional to 402,970,010.20, 603,447,245.70 and 322,348,442.20 is: 482,716,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,970,010.20 : 603,447,245.70 = 322,348,442.20 : x
  2. Step 2: Convert to fraction form
    402,970,010.20/603,447,245.70 = 322,348,442.20/x
  3. Step 3: Cross multiply
    402,970,010.20x = 603,447,245.70 × 322,348,442.20
  4. Step 4: Simplify right side
    402,970,010.20x = 194,520,279,601,275,648
  5. Step 5: Solve for x
    x = 194,520,279,601,275,648/402,970,010.20
  6. Step 6: Final answer
    x = 482,716,516.56

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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.