Home / 394,634,844.48-591,683,217.12-200,171,280.54

Finding the Fourth Proportional to 394,634,844.48, 591,683,217.12 and 200,171,280.54

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Solution

The fourth proportional to 394,634,844.48, 591,683,217.12 and 200,171,280.54 is: 300,120,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,634,844.48 : 591,683,217.12 = 200,171,280.54 : x
  2. Step 2: Convert to fraction form
    394,634,844.48/591,683,217.12 = 200,171,280.54/x
  3. Step 3: Cross multiply
    394,634,844.48x = 591,683,217.12 × 200,171,280.54
  4. Step 4: Simplify right side
    394,634,844.48x = 118,437,987,244,937,248
  5. Step 5: Solve for x
    x = 118,437,987,244,937,248/394,634,844.48
  6. Step 6: Final answer
    x = 300,120,450.34

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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.