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Finding the Fourth Proportional to 12,268,673,122.60, 18,403,009,683.90 and 12,268,673,122.60

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Solution

The fourth proportional to 12,268,673,122.60, 18,403,009,683.90 and 12,268,673,122.60 is: 18,403,009,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,673,122.60 : 18,403,009,683.90 = 12,268,673,122.60 : x
  2. Step 2: Convert to fraction form
    12,268,673,122.60/18,403,009,683.90 = 12,268,673,122.60/x
  3. Step 3: Cross multiply
    12,268,673,122.60x = 18,403,009,683.90 × 12,268,673,122.60
  4. Step 4: Simplify right side
    12,268,673,122.60x = 225,780,510,283,811,487,744
  5. Step 5: Solve for x
    x = 225,780,510,283,811,487,744/12,268,673,122.60
  6. Step 6: Final answer
    x = 18,403,009,683.90

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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.