Home / 481,198,079.34-664,035,568.11-261,176,781.42

Finding the Fourth Proportional to 481,198,079.34, 664,035,568.11 and 261,176,781.42

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Solution

The fourth proportional to 481,198,079.34, 664,035,568.11 and 261,176,781.42 is: 360,414,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,198,079.34 : 664,035,568.11 = 261,176,781.42 : x
  2. Step 2: Convert to fraction form
    481,198,079.34/664,035,568.11 = 261,176,781.42/x
  3. Step 3: Cross multiply
    481,198,079.34x = 664,035,568.11 × 261,176,781.42
  4. Step 4: Simplify right side
    481,198,079.34x = 173,430,672,427,370,976
  5. Step 5: Solve for x
    x = 173,430,672,427,370,976/481,198,079.34
  6. Step 6: Final answer
    x = 360,414,307.27

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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.