Home / 312,205,794,446.18-467,978,168,327.80-105,015,695,369.33

Finding the Fourth Proportional to 312,205,794,446.18, 467,978,168,327.80 and 105,015,695,369.33

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Solution

The fourth proportional to 312,205,794,446.18, 467,978,168,327.80 and 105,015,695,369.33 is: 157,412,365,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,205,794,446.18 : 467,978,168,327.80 = 105,015,695,369.33 : x
  2. Step 2: Convert to fraction form
    312,205,794,446.18/467,978,168,327.80 = 105,015,695,369.33/x
  3. Step 3: Cross multiply
    312,205,794,446.18x = 467,978,168,327.80 × 105,015,695,369.33
  4. Step 4: Simplify right side
    312,205,794,446.18x = 49,145,052,764,609,278,115,840
  5. Step 5: Solve for x
    x = 49,145,052,764,609,278,115,840/312,205,794,446.18
  6. Step 6: Final answer
    x = 157,412,365,942.11

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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.