Home / 8,626,464,003.80-12,939,696,005.70-8,540,467,664.60

Finding the Fourth Proportional to 8,626,464,003.80, 12,939,696,005.70 and 8,540,467,664.60

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Solution

The fourth proportional to 8,626,464,003.80, 12,939,696,005.70 and 8,540,467,664.60 is: 12,810,701,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626,464,003.80 : 12,939,696,005.70 = 8,540,467,664.60 : x
  2. Step 2: Convert to fraction form
    8,626,464,003.80/12,939,696,005.70 = 8,540,467,664.60/x
  3. Step 3: Cross multiply
    8,626,464,003.80x = 12,939,696,005.70 × 8,540,467,664.60
  4. Step 4: Simplify right side
    8,626,464,003.80x = 110,511,055,326,434,639,872
  5. Step 5: Solve for x
    x = 110,511,055,326,434,639,872/8,626,464,003.80
  6. Step 6: Final answer
    x = 12,810,701,496.90

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Double scale
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Similar ratio
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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.