Home / 8,115,060,391.15-12,164,094,819.60-3,396,086,021.72

Finding the Fourth Proportional to 8,115,060,391.15, 12,164,094,819.60 and 3,396,086,021.72

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Solution

The fourth proportional to 8,115,060,391.15, 12,164,094,819.60 and 3,396,086,021.72 is: 5,090,573,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115,060,391.15 : 12,164,094,819.60 = 3,396,086,021.72 : x
  2. Step 2: Convert to fraction form
    8,115,060,391.15/12,164,094,819.60 = 3,396,086,021.72/x
  3. Step 3: Cross multiply
    8,115,060,391.15x = 12,164,094,819.60 × 3,396,086,021.72
  4. Step 4: Simplify right side
    8,115,060,391.15x = 41,310,312,383,720,226,816
  5. Step 5: Solve for x
    x = 41,310,312,383,720,226,816/8,115,060,391.15
  6. Step 6: Final answer
    x = 5,090,573,623.92

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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.