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Finding the Fourth Proportional to 663,847,200.45, 995,770,800.68 and 663,847,200.45

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Solution

The fourth proportional to 663,847,200.45, 995,770,800.68 and 663,847,200.45 is: 995,770,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,847,200.45 : 995,770,800.68 = 663,847,200.45 : x
  2. Step 2: Convert to fraction form
    663,847,200.45/995,770,800.68 = 663,847,200.45/x
  3. Step 3: Cross multiply
    663,847,200.45x = 995,770,800.68 × 663,847,200.45
  4. Step 4: Simplify right side
    663,847,200.45x = 661,039,658,317,953,792
  5. Step 5: Solve for x
    x = 661,039,658,317,953,792/663,847,200.45
  6. Step 6: Final answer
    x = 995,770,800.68

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Half scale
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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.