Finding the Fourth Proportional to 394,524,876.26, 543,998,791.59 and 295,086,949.94
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Solution
The fourth proportional to 394,524,876.26, 543,998,791.59 and 295,086,949.94 is: 406,886,748.70
Step by Step Solution
- Step 1: Write the proportion equation
394,524,876.26 : 543,998,791.59 = 295,086,949.94 : x - Step 2: Convert to fraction form
394,524,876.26/543,998,791.59 = 295,086,949.94/x - Step 3: Cross multiply
394,524,876.26x = 543,998,791.59 × 295,086,949.94 - Step 4: Simplify right side
394,524,876.26x = 160,526,944,181,338,816 - Step 5: Solve for x
x = 160,526,944,181,338,816/394,524,876.26 - Step 6: Final answer
x = 406,886,748.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.