Finding the Fourth Proportional to 4,687,689,765.96, 6,469,018,963.85 and 2,544,297,195.49
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Solution
The fourth proportional to 4,687,689,765.96, 6,469,018,963.85 and 2,544,297,195.49 is: 3,511,133,976.23
Step by Step Solution
- Step 1: Write the proportion equation
4,687,689,765.96 : 6,469,018,963.85 = 2,544,297,195.49 : x - Step 2: Convert to fraction form
4,687,689,765.96/6,469,018,963.85 = 2,544,297,195.49/x - Step 3: Cross multiply
4,687,689,765.96x = 6,469,018,963.85 × 2,544,297,195.49 - Step 4: Simplify right side
4,687,689,765.96x = 16,459,106,807,285,370,880 - Step 5: Solve for x
x = 16,459,106,807,285,370,880/4,687,689,765.96 - Step 6: Final answer
x = 3,511,133,976.23
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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.