Home / 331,902,219.20-498,231,242.40-195,664,366.40

Finding the Fourth Proportional to 331,902,219.20, 498,231,242.40 and 195,664,366.40

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Solution

The fourth proportional to 331,902,219.20, 498,231,242.40 and 195,664,366.40 is: 293,719,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,902,219.20 : 498,231,242.40 = 195,664,366.40 : x
  2. Step 2: Convert to fraction form
    331,902,219.20/498,231,242.40 = 195,664,366.40/x
  3. Step 3: Cross multiply
    331,902,219.20x = 498,231,242.40 × 195,664,366.40
  4. Step 4: Simplify right side
    331,902,219.20x = 97,486,100,364,880,816
  5. Step 5: Solve for x
    x = 97,486,100,364,880,816/331,902,219.20
  6. Step 6: Final answer
    x = 293,719,338.79

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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.