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Finding the Fourth Proportional to 995,766,736.80, 1,493,650,105.20 and 995,766,736.80

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Solution

The fourth proportional to 995,766,736.80, 1,493,650,105.20 and 995,766,736.80 is: 1,493,650,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,766,736.80 : 1,493,650,105.20 = 995,766,736.80 : x
  2. Step 2: Convert to fraction form
    995,766,736.80/1,493,650,105.20 = 995,766,736.80/x
  3. Step 3: Cross multiply
    995,766,736.80x = 1,493,650,105.20 × 995,766,736.80
  4. Step 4: Simplify right side
    995,766,736.80x = 1,487,327,091,175,980,800
  5. Step 5: Solve for x
    x = 1,487,327,091,175,980,800/995,766,736.80
  6. Step 6: Final answer
    x = 1,493,650,105.20

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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.