Home / 1,255,190,589.82-1,732,110,999.05-682,976,004.85

Finding the Fourth Proportional to 1,255,190,589.82, 1,732,110,999.05 and 682,976,004.85

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Solution

The fourth proportional to 1,255,190,589.82, 1,732,110,999.05 and 682,976,004.85 is: 942,478,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,190,589.82 : 1,732,110,999.05 = 682,976,004.85 : x
  2. Step 2: Convert to fraction form
    1,255,190,589.82/1,732,110,999.05 = 682,976,004.85/x
  3. Step 3: Cross multiply
    1,255,190,589.82x = 1,732,110,999.05 × 682,976,004.85
  4. Step 4: Simplify right side
    1,255,190,589.82x = 1,182,990,250,086,933,760
  5. Step 5: Solve for x
    x = 1,182,990,250,086,933,760/1,255,190,589.82
  6. Step 6: Final answer
    x = 942,478,584.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.