Home / 422,729,338.60-634,094,007.90-193,146,826.60

Finding the Fourth Proportional to 422,729,338.60, 634,094,007.90 and 193,146,826.60

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Solution

The fourth proportional to 422,729,338.60, 634,094,007.90 and 193,146,826.60 is: 289,720,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,729,338.60 : 634,094,007.90 = 193,146,826.60 : x
  2. Step 2: Convert to fraction form
    422,729,338.60/634,094,007.90 = 193,146,826.60/x
  3. Step 3: Cross multiply
    422,729,338.60x = 634,094,007.90 × 193,146,826.60
  4. Step 4: Simplify right side
    422,729,338.60x = 122,473,245,391,960,320
  5. Step 5: Solve for x
    x = 122,473,245,391,960,320/422,729,338.60
  6. Step 6: Final answer
    x = 289,720,239.90

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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.