Home / 414,058,588.80-620,560,378.80-220,062,940.80

Finding the Fourth Proportional to 414,058,588.80, 620,560,378.80 and 220,062,940.80

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Solution

The fourth proportional to 414,058,588.80, 620,560,378.80 and 220,062,940.80 is: 329,814,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,058,588.80 : 620,560,378.80 = 220,062,940.80 : x
  2. Step 2: Convert to fraction form
    414,058,588.80/620,560,378.80 = 220,062,940.80/x
  3. Step 3: Cross multiply
    414,058,588.80x = 620,560,378.80 × 220,062,940.80
  4. Step 4: Simplify right side
    414,058,588.80x = 136,562,341,902,689,968
  5. Step 5: Solve for x
    x = 136,562,341,902,689,968/414,058,588.80
  6. Step 6: Final answer
    x = 329,814,054.33

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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.