Home / 1,099,589,025.80-1,649,383,538.70-323,313,157.10

Finding the Fourth Proportional to 1,099,589,025.80, 1,649,383,538.70 and 323,313,157.10

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Solution

The fourth proportional to 1,099,589,025.80, 1,649,383,538.70 and 323,313,157.10 is: 484,969,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,589,025.80 : 1,649,383,538.70 = 323,313,157.10 : x
  2. Step 2: Convert to fraction form
    1,099,589,025.80/1,649,383,538.70 = 323,313,157.10/x
  3. Step 3: Cross multiply
    1,099,589,025.80x = 1,649,383,538.70 × 323,313,157.10
  4. Step 4: Simplify right side
    1,099,589,025.80x = 533,267,399,165,867,072
  5. Step 5: Solve for x
    x = 533,267,399,165,867,072/1,099,589,025.80
  6. Step 6: Final answer
    x = 484,969,735.65

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Double scale
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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.