Finding the Fourth Proportional to 3,706,855,852.80, 5,560,198,761.60 and 1,866,114,220.80
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Solution
The fourth proportional to 3,706,855,852.80, 5,560,198,761.60 and 1,866,114,220.80 is: 2,799,128,531.44
Step by Step Solution
- Step 1: Write the proportion equation
3,706,855,852.80 : 5,560,198,761.60 = 1,866,114,220.80 : x - Step 2: Convert to fraction form
3,706,855,852.80/5,560,198,761.60 = 1,866,114,220.80/x - Step 3: Cross multiply
3,706,855,852.80x = 5,560,198,761.60 × 1,866,114,220.80 - Step 4: Simplify right side
3,706,855,852.80x = 10,375,965,979,496,308,736 - Step 5: Solve for x
x = 10,375,965,979,496,308,736/3,706,855,852.80 - Step 6: Final answer
x = 2,799,128,531.44
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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.