Finding the Fourth Proportional to 2,976,412,362.44, 4,107,416,464.24 and 1,638,273,842.60
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Solution
The fourth proportional to 2,976,412,362.44, 4,107,416,464.24 and 1,638,273,842.60 is: 2,260,799,961.37
Step by Step Solution
- Step 1: Write the proportion equation
2,976,412,362.44 : 4,107,416,464.24 = 1,638,273,842.60 : x - Step 2: Convert to fraction form
2,976,412,362.44/4,107,416,464.24 = 1,638,273,842.60/x - Step 3: Cross multiply
2,976,412,362.44x = 4,107,416,464.24 × 1,638,273,842.60 - Step 4: Simplify right side
2,976,412,362.44x = 6,729,072,954,004,501,504 - Step 5: Solve for x
x = 6,729,072,954,004,501,504/2,976,412,362.44 - Step 6: Final answer
x = 2,260,799,961.37
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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.