Finding the Fourth Proportional to 391,816,040.97, 587,809,092.48 and 119,179,722.09
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Solution
The fourth proportional to 391,816,040.97, 587,809,092.48 and 119,179,722.09 is: 178,795,447.25
Step by Step Solution
- Step 1: Write the proportion equation
391,816,040.97 : 587,809,092.48 = 119,179,722.09 : x - Step 2: Convert to fraction form
391,816,040.97/587,809,092.48 = 119,179,722.09/x - Step 3: Cross multiply
391,816,040.97x = 587,809,092.48 × 119,179,722.09 - Step 4: Simplify right side
391,816,040.97x = 70,054,924,285,498,872 - Step 5: Solve for x
x = 70,054,924,285,498,872/391,816,040.97 - Step 6: Final answer
x = 178,795,447.25
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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.