Finding the Fourth Proportional to 4,687,689,761.22, 6,469,018,957.36 and 2,544,297,190.80
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Solution
The fourth proportional to 4,687,689,761.22, 6,469,018,957.36 and 2,544,297,190.80 is: 3,511,133,969.79
Step by Step Solution
- Step 1: Write the proportion equation
4,687,689,761.22 : 6,469,018,957.36 = 2,544,297,190.80 : x - Step 2: Convert to fraction form
4,687,689,761.22/6,469,018,957.36 = 2,544,297,190.80/x - Step 3: Cross multiply
4,687,689,761.22x = 6,469,018,957.36 × 2,544,297,190.80 - Step 4: Simplify right side
4,687,689,761.22x = 16,459,106,760,442,992,640 - Step 5: Solve for x
x = 16,459,106,760,442,992,640/4,687,689,761.22 - Step 6: Final answer
x = 3,511,133,969.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.