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Finding the Fourth Proportional to 13,699,368,187.20, 20,549,052,280.80 and 13,699,368,187.20

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Solution

The fourth proportional to 13,699,368,187.20, 20,549,052,280.80 and 13,699,368,187.20 is: 20,549,052,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,368,187.20 : 20,549,052,280.80 = 13,699,368,187.20 : x
  2. Step 2: Convert to fraction form
    13,699,368,187.20/20,549,052,280.80 = 13,699,368,187.20/x
  3. Step 3: Cross multiply
    13,699,368,187.20x = 20,549,052,280.80 × 13,699,368,187.20
  4. Step 4: Simplify right side
    13,699,368,187.20x = 281,509,033,092,701,126,656
  5. Step 5: Solve for x
    x = 281,509,033,092,701,126,656/13,699,368,187.20
  6. Step 6: Final answer
    x = 20,549,052,280.80

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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.