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Finding the Fourth Proportional to 68,620,405,514.20, 102,930,608,271.30 and 68,620,405,514.20

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Solution

The fourth proportional to 68,620,405,514.20, 102,930,608,271.30 and 68,620,405,514.20 is: 102,930,608,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,620,405,514.20 : 102,930,608,271.30 = 68,620,405,514.20 : x
  2. Step 2: Convert to fraction form
    68,620,405,514.20/102,930,608,271.30 = 68,620,405,514.20/x
  3. Step 3: Cross multiply
    68,620,405,514.20x = 102,930,608,271.30 × 68,620,405,514.20
  4. Step 4: Simplify right side
    68,620,405,514.20x = 7,063,140,079,399,874,854,912
  5. Step 5: Solve for x
    x = 7,063,140,079,399,874,854,912/68,620,405,514.20
  6. Step 6: Final answer
    x = 102,930,608,271.30

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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.