Finding the Fourth Proportional to 394,524,874.26, 543,998,788.83 and 295,086,947.94
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Solution
The fourth proportional to 394,524,874.26, 543,998,788.83 and 295,086,947.94 is: 406,886,745.94
Step by Step Solution
- Step 1: Write the proportion equation
394,524,874.26 : 543,998,788.83 = 295,086,947.94 : x - Step 2: Convert to fraction form
394,524,874.26/543,998,788.83 = 295,086,947.94/x - Step 3: Cross multiply
394,524,874.26x = 543,998,788.83 × 295,086,947.94 - Step 4: Simplify right side
394,524,874.26x = 160,526,942,278,901,280 - Step 5: Solve for x
x = 160,526,942,278,901,280/394,524,874.26 - Step 6: Final answer
x = 406,886,745.94
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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.