Finding the Fourth Proportional to 4,161,794,568.20, 6,242,377,874.63 and 1,325,474,212.84
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Solution
The fourth proportional to 4,161,794,568.20, 6,242,377,874.63 and 1,325,474,212.84 is: 1,988,111,321.70
Step by Step Solution
- Step 1: Write the proportion equation
4,161,794,568.20 : 6,242,377,874.63 = 1,325,474,212.84 : x - Step 2: Convert to fraction form
4,161,794,568.20/6,242,377,874.63 = 1,325,474,212.84/x - Step 3: Cross multiply
4,161,794,568.20x = 6,242,377,874.63 × 1,325,474,212.84 - Step 4: Simplify right side
4,161,794,568.20x = 8,274,110,899,637,755,904 - Step 5: Solve for x
x = 8,274,110,899,637,755,904/4,161,794,568.20 - Step 6: Final answer
x = 1,988,111,321.70
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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.