Finding the Fourth Proportional to 27,161,431,806.18, 37,482,777,620.92 and 15,118,183,356.14
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Solution
The fourth proportional to 27,161,431,806.18, 37,482,777,620.92 and 15,118,183,356.14 is: 20,863,093,993.50
Step by Step Solution
- Step 1: Write the proportion equation
27,161,431,806.18 : 37,482,777,620.92 = 15,118,183,356.14 : x - Step 2: Convert to fraction form
27,161,431,806.18/37,482,777,620.92 = 15,118,183,356.14/x - Step 3: Cross multiply
27,161,431,806.18x = 37,482,777,620.92 × 15,118,183,356.14 - Step 4: Simplify right side
27,161,431,806.18x = 566,671,504,770,489,581,568 - Step 5: Solve for x
x = 566,671,504,770,489,581,568/27,161,431,806.18 - Step 6: Final answer
x = 20,863,093,993.50
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1.5x scale
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.