Home / 312,205,795,018.25-467,978,169,163.50-105,015,695,930.46

Finding the Fourth Proportional to 312,205,795,018.25, 467,978,169,163.50 and 105,015,695,930.46

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Solution

The fourth proportional to 312,205,795,018.25, 467,978,169,163.50 and 105,015,695,930.46 is: 157,412,366,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,205,795,018.25 : 467,978,169,163.50 = 105,015,695,930.46 : x
  2. Step 2: Convert to fraction form
    312,205,795,018.25/467,978,169,163.50 = 105,015,695,930.46/x
  3. Step 3: Cross multiply
    312,205,795,018.25x = 467,978,169,163.50 × 105,015,695,930.46
  4. Step 4: Simplify right side
    312,205,795,018.25x = 49,145,053,114,967,493,967,872
  5. Step 5: Solve for x
    x = 49,145,053,114,967,493,967,872/312,205,795,018.25
  6. Step 6: Final answer
    x = 157,412,366,775.88

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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.