Finding the Fourth Proportional to 218,325,497,434.67, 327,494,917,844.15 and 74,902,513,850.72
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Solution
The fourth proportional to 218,325,497,434.67, 327,494,917,844.15 and 74,902,513,850.72 is: 112,356,059,681.95
Step by Step Solution
- Step 1: Write the proportion equation
218,325,497,434.67 : 327,494,917,844.15 = 74,902,513,850.72 : x - Step 2: Convert to fraction form
218,325,497,434.67/327,494,917,844.15 = 74,902,513,850.72/x - Step 3: Cross multiply
218,325,497,434.67x = 327,494,917,844.15 × 74,902,513,850.72 - Step 4: Simplify right side
218,325,497,434.67x = 24,530,192,619,861,857,796,096 - Step 5: Solve for x
x = 24,530,192,619,861,857,796,096/218,325,497,434.67 - Step 6: Final answer
x = 112,356,059,681.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.