Finding the Fourth Proportional to 5,617,431,388.64, 7,752,180,576.84 and 3,206,065,512.08
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Solution
The fourth proportional to 5,617,431,388.64, 7,752,180,576.84 and 3,206,065,512.08 is: 4,424,441,897.25
Step by Step Solution
- Step 1: Write the proportion equation
5,617,431,388.64 : 7,752,180,576.84 = 3,206,065,512.08 : x - Step 2: Convert to fraction form
5,617,431,388.64/7,752,180,576.84 = 3,206,065,512.08/x - Step 3: Cross multiply
5,617,431,388.64x = 7,752,180,576.84 × 3,206,065,512.08 - Step 4: Simplify right side
5,617,431,388.64x = 24,853,998,790,823,165,952 - Step 5: Solve for x
x = 24,853,998,790,823,165,952/5,617,431,388.64 - Step 6: Final answer
x = 4,424,441,897.25
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1.5x scale
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.