Home / 310,318,096.46-428,647,750.56-230,012,884.78

Finding the Fourth Proportional to 310,318,096.46, 428,647,750.56 and 230,012,884.78

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Solution

The fourth proportional to 310,318,096.46, 428,647,750.56 and 230,012,884.78 is: 317,720,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,318,096.46 : 428,647,750.56 = 230,012,884.78 : x
  2. Step 2: Convert to fraction form
    310,318,096.46/428,647,750.56 = 230,012,884.78/x
  3. Step 3: Cross multiply
    310,318,096.46x = 428,647,750.56 × 230,012,884.78
  4. Step 4: Simplify right side
    310,318,096.46x = 98,594,505,660,763,456
  5. Step 5: Solve for x
    x = 98,594,505,660,763,456/310,318,096.46
  6. Step 6: Final answer
    x = 317,720,773.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.