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Finding the Fourth Proportional to 82,828,538,793.60, 124,242,808,190.40 and 82,828,538,793.60

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Solution

The fourth proportional to 82,828,538,793.60, 124,242,808,190.40 and 82,828,538,793.60 is: 124,242,808,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,828,538,793.60 : 124,242,808,190.40 = 82,828,538,793.60 : x
  2. Step 2: Convert to fraction form
    82,828,538,793.60/124,242,808,190.40 = 82,828,538,793.60/x
  3. Step 3: Cross multiply
    82,828,538,793.60x = 124,242,808,190.40 × 82,828,538,793.60
  4. Step 4: Simplify right side
    82,828,538,793.60x = 10,290,850,258,024,350,613,504
  5. Step 5: Solve for x
    x = 10,290,850,258,024,350,613,504/82,828,538,793.60
  6. Step 6: Final answer
    x = 124,242,808,190.40

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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.