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Finding the Fourth Proportional to 663,552,013.80, 995,328,020.70 and 470,060,250.60

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Solution

The fourth proportional to 663,552,013.80, 995,328,020.70 and 470,060,250.60 is: 705,090,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,013.80 : 995,328,020.70 = 470,060,250.60 : x
  2. Step 2: Convert to fraction form
    663,552,013.80/995,328,020.70 = 470,060,250.60/x
  3. Step 3: Cross multiply
    663,552,013.80x = 995,328,020.70 × 470,060,250.60
  4. Step 4: Simplify right side
    663,552,013.80x = 467,864,138,839,444,032
  5. Step 5: Solve for x
    x = 467,864,138,839,444,032/663,552,013.80
  6. Step 6: Final answer
    x = 705,090,375.90

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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.