Finding the Fourth Proportional to 365,305,836.89, 504,159,628.74 and 222,261,755.09
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Solution
The fourth proportional to 365,305,836.89, 504,159,628.74 and 222,261,755.09 is: 306,744,082.95
Step by Step Solution
- Step 1: Write the proportion equation
365,305,836.89 : 504,159,628.74 = 222,261,755.09 : x - Step 2: Convert to fraction form
365,305,836.89/504,159,628.74 = 222,261,755.09/x - Step 3: Cross multiply
365,305,836.89x = 504,159,628.74 × 222,261,755.09 - Step 4: Simplify right side
365,305,836.89x = 112,055,403,930,535,600 - Step 5: Solve for x
x = 112,055,403,930,535,600/365,305,836.89 - Step 6: Final answer
x = 306,744,082.95
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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.