Finding the Fourth Proportional to 3,511,251,791.08, 4,840,839,977.98 and 2,789,434,716.02
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Solution
The fourth proportional to 3,511,251,791.08, 4,840,839,977.98 and 2,789,434,716.02 is: 3,845,696,034.55
Step by Step Solution
- Step 1: Write the proportion equation
3,511,251,791.08 : 4,840,839,977.98 = 2,789,434,716.02 : x - Step 2: Convert to fraction form
3,511,251,791.08/4,840,839,977.98 = 2,789,434,716.02/x - Step 3: Cross multiply
3,511,251,791.08x = 4,840,839,977.98 × 2,789,434,716.02 - Step 4: Simplify right side
3,511,251,791.08x = 13,503,207,089,274,902,528 - Step 5: Solve for x
x = 13,503,207,089,274,902,528/3,511,251,791.08 - Step 6: Final answer
x = 3,845,696,034.55
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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.