Finding the Fourth Proportional to 4,635,310,135.40, 6,952,965,203.10 and 2,186,430,007.40
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Solution
The fourth proportional to 4,635,310,135.40, 6,952,965,203.10 and 2,186,430,007.40 is: 3,279,645,011.10
Step by Step Solution
- Step 1: Write the proportion equation
4,635,310,135.40 : 6,952,965,203.10 = 2,186,430,007.40 : x - Step 2: Convert to fraction form
4,635,310,135.40/6,952,965,203.10 = 2,186,430,007.40/x - Step 3: Cross multiply
4,635,310,135.40x = 6,952,965,203.10 × 2,186,430,007.40 - Step 4: Simplify right side
4,635,310,135.40x = 15,202,171,760,465,876,992 - Step 5: Solve for x
x = 15,202,171,760,465,876,992/4,635,310,135.40 - Step 6: Final answer
x = 3,279,645,011.10
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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.