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Finding the Fourth Proportional to 180,325,324.40, 270,487,986.60 and 180,325,324.40

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Solution

The fourth proportional to 180,325,324.40, 270,487,986.60 and 180,325,324.40 is: 270,487,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,325,324.40 : 270,487,986.60 = 180,325,324.40 : x
  2. Step 2: Convert to fraction form
    180,325,324.40/270,487,986.60 = 180,325,324.40/x
  3. Step 3: Cross multiply
    180,325,324.40x = 270,487,986.60 × 180,325,324.40
  4. Step 4: Simplify right side
    180,325,324.40x = 48,775,833,929,947,856
  5. Step 5: Solve for x
    x = 48,775,833,929,947,856/180,325,324.40
  6. Step 6: Final answer
    x = 270,487,986.60

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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.