Finding the Fourth Proportional to 8,816,078,194.80, 12,165,728,627.16 and 5,474,504,790.96
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Solution
The fourth proportional to 8,816,078,194.80, 12,165,728,627.16 and 5,474,504,790.96 is: 7,554,531,412.19
Step by Step Solution
- Step 1: Write the proportion equation
8,816,078,194.80 : 12,165,728,627.16 = 5,474,504,790.96 : x - Step 2: Convert to fraction form
8,816,078,194.80/12,165,728,627.16 = 5,474,504,790.96/x - Step 3: Cross multiply
8,816,078,194.80x = 12,165,728,627.16 × 5,474,504,790.96 - Step 4: Simplify right side
8,816,078,194.80x = 66,601,339,654,906,642,432 - Step 5: Solve for x
x = 66,601,339,654,906,642,432/8,816,078,194.80 - Step 6: Final answer
x = 7,554,531,412.19
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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.