Finding the Fourth Proportional to 3,309,770,863.44, 4,965,382,729.08 and 980,890,375.68
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Solution
The fourth proportional to 3,309,770,863.44, 4,965,382,729.08 and 980,890,375.68 is: 1,471,550,850.94
Step by Step Solution
- Step 1: Write the proportion equation
3,309,770,863.44 : 4,965,382,729.08 = 980,890,375.68 : x - Step 2: Convert to fraction form
3,309,770,863.44/4,965,382,729.08 = 980,890,375.68/x - Step 3: Cross multiply
3,309,770,863.44x = 4,965,382,729.08 × 980,890,375.68 - Step 4: Simplify right side
3,309,770,863.44x = 4,870,496,130,522,264,576 - Step 5: Solve for x
x = 4,870,496,130,522,264,576/3,309,770,863.44 - Step 6: Final answer
x = 1,471,550,850.94
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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.