Home / 412,345,693.60-618,518,540.40-182,196,311.20

Finding the Fourth Proportional to 412,345,693.60, 618,518,540.40 and 182,196,311.20

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Solution

The fourth proportional to 412,345,693.60, 618,518,540.40 and 182,196,311.20 is: 273,294,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,345,693.60 : 618,518,540.40 = 182,196,311.20 : x
  2. Step 2: Convert to fraction form
    412,345,693.60/618,518,540.40 = 182,196,311.20/x
  3. Step 3: Cross multiply
    412,345,693.60x = 618,518,540.40 × 182,196,311.20
  4. Step 4: Simplify right side
    412,345,693.60x = 112,691,796,469,688,160
  5. Step 5: Solve for x
    x = 112,691,796,469,688,160/412,345,693.60
  6. Step 6: Final answer
    x = 273,294,466.80

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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.