Home / 331,278,222.28-496,863,432.74-156,400,918.22

Finding the Fourth Proportional to 331,278,222.28, 496,863,432.74 and 156,400,918.22

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Solution

The fourth proportional to 331,278,222.28, 496,863,432.74 and 156,400,918.22 is: 234,575,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,278,222.28 : 496,863,432.74 = 156,400,918.22 : x
  2. Step 2: Convert to fraction form
    331,278,222.28/496,863,432.74 = 156,400,918.22/x
  3. Step 3: Cross multiply
    331,278,222.28x = 496,863,432.74 × 156,400,918.22
  4. Step 4: Simplify right side
    331,278,222.28x = 77,709,897,108,383,904
  5. Step 5: Solve for x
    x = 77,709,897,108,383,904/331,278,222.28
  6. Step 6: Final answer
    x = 234,575,930.09

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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.