Home / 412,244,600.40-618,366,900.60-347,674,518.90

Finding the Fourth Proportional to 412,244,600.40, 618,366,900.60 and 347,674,518.90

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Solution

The fourth proportional to 412,244,600.40, 618,366,900.60 and 347,674,518.90 is: 521,511,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,244,600.40 : 618,366,900.60 = 347,674,518.90 : x
  2. Step 2: Convert to fraction form
    412,244,600.40/618,366,900.60 = 347,674,518.90/x
  3. Step 3: Cross multiply
    412,244,600.40x = 618,366,900.60 × 347,674,518.90
  4. Step 4: Simplify right side
    412,244,600.40x = 214,990,414,669,789,120
  5. Step 5: Solve for x
    x = 214,990,414,669,789,120/412,244,600.40
  6. Step 6: Final answer
    x = 521,511,778.35

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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.