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Finding the Fourth Proportional to 664,954,860.10, 995,164,808.55 and 664,954,860.10

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Solution

The fourth proportional to 664,954,860.10, 995,164,808.55 and 664,954,860.10 is: 995,164,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,954,860.10 : 995,164,808.55 = 664,954,860.10 : x
  2. Step 2: Convert to fraction form
    664,954,860.10/995,164,808.55 = 664,954,860.10/x
  3. Step 3: Cross multiply
    664,954,860.10x = 995,164,808.55 × 664,954,860.10
  4. Step 4: Simplify right side
    664,954,860.10x = 661,739,676,045,808,512
  5. Step 5: Solve for x
    x = 661,739,676,045,808,512/664,954,860.10
  6. Step 6: Final answer
    x = 995,164,808.55

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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.