Home / 678,517,683.33-936,394,399.81-510,958,321.84

Finding the Fourth Proportional to 678,517,683.33, 936,394,399.81 and 510,958,321.84

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Solution

The fourth proportional to 678,517,683.33, 936,394,399.81 and 510,958,321.84 is: 705,152,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,517,683.33 : 936,394,399.81 = 510,958,321.84 : x
  2. Step 2: Convert to fraction form
    678,517,683.33/936,394,399.81 = 510,958,321.84/x
  3. Step 3: Cross multiply
    678,517,683.33x = 936,394,399.81 × 510,958,321.84
  4. Step 4: Simplify right side
    678,517,683.33x = 478,458,511,100,923,328
  5. Step 5: Solve for x
    x = 478,458,511,100,923,328/678,517,683.33
  6. Step 6: Final answer
    x = 705,152,603.77

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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.