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Finding the Fourth Proportional to 3,830,660,998.80, 5,745,991,498.20 and 3,830,660,998.80

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Solution

The fourth proportional to 3,830,660,998.80, 5,745,991,498.20 and 3,830,660,998.80 is: 5,745,991,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,660,998.80 : 5,745,991,498.20 = 3,830,660,998.80 : x
  2. Step 2: Convert to fraction form
    3,830,660,998.80/5,745,991,498.20 = 3,830,660,998.80/x
  3. Step 3: Cross multiply
    3,830,660,998.80x = 5,745,991,498.20 × 3,830,660,998.80
  4. Step 4: Simplify right side
    3,830,660,998.80x = 22,010,945,531,591,118,848
  5. Step 5: Solve for x
    x = 22,010,945,531,591,118,848/3,830,660,998.80
  6. Step 6: Final answer
    x = 5,745,991,498.20

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Double scale
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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.