Home / 839,638,755.96-1,259,469,331.62-294,396,211.32

Finding the Fourth Proportional to 839,638,755.96, 1,259,469,331.62 and 294,396,211.32

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Solution

The fourth proportional to 839,638,755.96, 1,259,469,331.62 and 294,396,211.32 is: 441,598,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,638,755.96 : 1,259,469,331.62 = 294,396,211.32 : x
  2. Step 2: Convert to fraction form
    839,638,755.96/1,259,469,331.62 = 294,396,211.32/x
  3. Step 3: Cross multiply
    839,638,755.96x = 1,259,469,331.62 × 294,396,211.32
  4. Step 4: Simplify right side
    839,638,755.96x = 370,782,999,502,660,608
  5. Step 5: Solve for x
    x = 370,782,999,502,660,608/839,638,755.96
  6. Step 6: Final answer
    x = 441,598,243.14

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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.