Home / 379,505,092-569,270,238.91-130,507,906.54

Finding the Fourth Proportional to 379,505,092, 569,270,238.91 and 130,507,906.54

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Solution

The fourth proportional to 379,505,092, 569,270,238.91 and 130,507,906.54 is: 195,766,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,092 : 569,270,238.91 = 130,507,906.54 : x
  2. Step 2: Convert to fraction form
    379,505,092/569,270,238.91 = 130,507,906.54/x
  3. Step 3: Cross multiply
    379,505,092x = 569,270,238.91 × 130,507,906.54
  4. Step 4: Simplify right side
    379,505,092x = 74,294,267,135,669,744
  5. Step 5: Solve for x
    x = 74,294,267,135,669,744/379,505,092
  6. Step 6: Final answer
    x = 195,766,193.13

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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.