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Finding the Fourth Proportional to 995,743,459.80, 1,493,615,189.70 and 995,743,459.80

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Solution

The fourth proportional to 995,743,459.80, 1,493,615,189.70 and 995,743,459.80 is: 1,493,615,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,743,459.80 : 1,493,615,189.70 = 995,743,459.80 : x
  2. Step 2: Convert to fraction form
    995,743,459.80/1,493,615,189.70 = 995,743,459.80/x
  3. Step 3: Cross multiply
    995,743,459.80x = 1,493,615,189.70 × 995,743,459.80
  4. Step 4: Simplify right side
    995,743,459.80x = 1,487,257,556,601,711,360
  5. Step 5: Solve for x
    x = 1,487,257,556,601,711,360/995,743,459.80
  6. Step 6: Final answer
    x = 1,493,615,189.70

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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.