Home / 13,443,336,469.74-18,560,176,767.12-8,557,661,643.78

Finding the Fourth Proportional to 13,443,336,469.74, 18,560,176,767.12 and 8,557,661,643.78

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Solution

The fourth proportional to 13,443,336,469.74, 18,560,176,767.12 and 8,557,661,643.78 is: 11,814,902,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,336,469.74 : 18,560,176,767.12 = 8,557,661,643.78 : x
  2. Step 2: Convert to fraction form
    13,443,336,469.74/18,560,176,767.12 = 8,557,661,643.78/x
  3. Step 3: Cross multiply
    13,443,336,469.74x = 18,560,176,767.12 × 8,557,661,643.78
  4. Step 4: Simplify right side
    13,443,336,469.74x = 158,831,712,821,793,751,040
  5. Step 5: Solve for x
    x = 158,831,712,821,793,751,040/13,443,336,469.74
  6. Step 6: Final answer
    x = 11,814,902,734.85

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1.5x scale

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.