Home / 354,324,144.30-531,486,216.45-281,144,718.60

Finding the Fourth Proportional to 354,324,144.30, 531,486,216.45 and 281,144,718.60

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Solution

The fourth proportional to 354,324,144.30, 531,486,216.45 and 281,144,718.60 is: 421,717,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,324,144.30 : 531,486,216.45 = 281,144,718.60 : x
  2. Step 2: Convert to fraction form
    354,324,144.30/531,486,216.45 = 281,144,718.60/x
  3. Step 3: Cross multiply
    354,324,144.30x = 531,486,216.45 × 281,144,718.60
  4. Step 4: Simplify right side
    354,324,144.30x = 149,424,542,763,613,952
  5. Step 5: Solve for x
    x = 149,424,542,763,613,952/354,324,144.30
  6. Step 6: Final answer
    x = 421,717,077.90

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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.