Finding the Fourth Proportional to 218,325,497,431.15, 327,494,917,838.95 and 74,902,513,847.20
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Solution
The fourth proportional to 218,325,497,431.15, 327,494,917,838.95 and 74,902,513,847.20 is: 112,356,059,676.70
Step by Step Solution
- Step 1: Write the proportion equation
218,325,497,431.15 : 327,494,917,838.95 = 74,902,513,847.20 : x - Step 2: Convert to fraction form
218,325,497,431.15/327,494,917,838.95 = 74,902,513,847.20/x - Step 3: Cross multiply
218,325,497,431.15x = 327,494,917,838.95 × 74,902,513,847.20 - Step 4: Simplify right side
218,325,497,431.15x = 24,530,192,618,319,578,660,864 - Step 5: Solve for x
x = 24,530,192,618,319,578,660,864/218,325,497,431.15 - Step 6: Final answer
x = 112,356,059,676.70
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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.