Finding the Fourth Proportional to 3,637,093,821.80, 5,455,640,732.70 and 3,288,415,381.70
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Solution
The fourth proportional to 3,637,093,821.80, 5,455,640,732.70 and 3,288,415,381.70 is: 4,932,623,072.55
Step by Step Solution
- Step 1: Write the proportion equation
3,637,093,821.80 : 5,455,640,732.70 = 3,288,415,381.70 : x - Step 2: Convert to fraction form
3,637,093,821.80/5,455,640,732.70 = 3,288,415,381.70/x - Step 3: Cross multiply
3,637,093,821.80x = 5,455,640,732.70 × 3,288,415,381.70 - Step 4: Simplify right side
3,637,093,821.80x = 17,940,412,902,439,737,344 - Step 5: Solve for x
x = 17,940,412,902,439,737,344/3,637,093,821.80 - Step 6: Final answer
x = 4,932,623,072.55
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1.5x scale
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.