Home / 394,807,190.38-544,850,943.53-218,595,184.36

Finding the Fourth Proportional to 394,807,190.38, 544,850,943.53 and 218,595,184.36

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Solution

The fourth proportional to 394,807,190.38, 544,850,943.53 and 218,595,184.36 is: 301,670,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,807,190.38 : 544,850,943.53 = 218,595,184.36 : x
  2. Step 2: Convert to fraction form
    394,807,190.38/544,850,943.53 = 218,595,184.36/x
  3. Step 3: Cross multiply
    394,807,190.38x = 544,850,943.53 × 218,595,184.36
  4. Step 4: Simplify right side
    394,807,190.38x = 119,101,792,447,205,184
  5. Step 5: Solve for x
    x = 119,101,792,447,205,184/394,807,190.38
  6. Step 6: Final answer
    x = 301,670,778.42

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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.