Finding the Fourth Proportional to 413,936,436.61, 620,586,408.98 and 214,301,711.97
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Solution
The fourth proportional to 413,936,436.61, 620,586,408.98 and 214,301,711.97 is: 321,287,806.79
Step by Step Solution
- Step 1: Write the proportion equation
413,936,436.61 : 620,586,408.98 = 214,301,711.97 : x - Step 2: Convert to fraction form
413,936,436.61/620,586,408.98 = 214,301,711.97/x - Step 3: Cross multiply
413,936,436.61x = 620,586,408.98 × 214,301,711.97 - Step 4: Simplify right side
413,936,436.61x = 132,992,729,870,264,320 - Step 5: Solve for x
x = 132,992,729,870,264,320/413,936,436.61 - Step 6: Final answer
x = 321,287,806.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.