Home / 394,807,200.75-544,850,957.85-218,595,194.79

Finding the Fourth Proportional to 394,807,200.75, 544,850,957.85 and 218,595,194.79

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Solution

The fourth proportional to 394,807,200.75, 544,850,957.85 and 218,595,194.79 is: 301,670,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,807,200.75 : 544,850,957.85 = 218,595,194.79 : x
  2. Step 2: Convert to fraction form
    394,807,200.75/544,850,957.85 = 218,595,194.79/x
  3. Step 3: Cross multiply
    394,807,200.75x = 544,850,957.85 × 218,595,194.79
  4. Step 4: Simplify right side
    394,807,200.75x = 119,101,801,262,738,832
  5. Step 5: Solve for x
    x = 119,101,801,262,738,832/394,807,200.75
  6. Step 6: Final answer
    x = 301,670,792.82

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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.