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Finding the Fourth Proportional to 663,552,501.10, 995,328,751.65 and 203,487,016.30

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Solution

The fourth proportional to 663,552,501.10, 995,328,751.65 and 203,487,016.30 is: 305,230,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,501.10 : 995,328,751.65 = 203,487,016.30 : x
  2. Step 2: Convert to fraction form
    663,552,501.10/995,328,751.65 = 203,487,016.30/x
  3. Step 3: Cross multiply
    663,552,501.10x = 995,328,751.65 × 203,487,016.30
  4. Step 4: Simplify right side
    663,552,501.10x = 202,536,477,910,862,208
  5. Step 5: Solve for x
    x = 202,536,477,910,862,208/663,552,501.10
  6. Step 6: Final answer
    x = 305,230,524.45

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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.