Home / 320,530,367,902.82-480,811,015,091.98-105,394,147,279.44

Finding the Fourth Proportional to 320,530,367,902.82, 480,811,015,091.98 and 105,394,147,279.44

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Solution

The fourth proportional to 320,530,367,902.82, 480,811,015,091.98 and 105,394,147,279.44 is: 158,096,305,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,367,902.82 : 480,811,015,091.98 = 105,394,147,279.44 : x
  2. Step 2: Convert to fraction form
    320,530,367,902.82/480,811,015,091.98 = 105,394,147,279.44/x
  3. Step 3: Cross multiply
    320,530,367,902.82x = 480,811,015,091.98 × 105,394,147,279.44
  4. Step 4: Simplify right side
    320,530,367,902.82x = 50,674,666,938,181,189,894,144
  5. Step 5: Solve for x
    x = 50,674,666,938,181,189,894,144/320,530,367,902.82
  6. Step 6: Final answer
    x = 158,096,305,413.24

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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.