Home / 7,842,640,999.22-11,763,954,311.11-2,458,320,390.86

Finding the Fourth Proportional to 7,842,640,999.22, 11,763,954,311.11 and 2,458,320,390.86

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Solution

The fourth proportional to 7,842,640,999.22, 11,763,954,311.11 and 2,458,320,390.86 is: 3,687,478,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,640,999.22 : 11,763,954,311.11 = 2,458,320,390.86 : x
  2. Step 2: Convert to fraction form
    7,842,640,999.22/11,763,954,311.11 = 2,458,320,390.86/x
  3. Step 3: Cross multiply
    7,842,640,999.22x = 11,763,954,311.11 × 2,458,320,390.86
  4. Step 4: Simplify right side
    7,842,640,999.22x = 28,919,568,760,083,382,272
  5. Step 5: Solve for x
    x = 28,919,568,760,083,382,272/7,842,640,999.22
  6. Step 6: Final answer
    x = 3,687,478,333.25

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1.5x scale

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.