Finding the Fourth Proportional to 3,601,337,836.14, 4,969,739,473.92 and 1,993,864,473.45
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Solution
The fourth proportional to 3,601,337,836.14, 4,969,739,473.92 and 1,993,864,473.45 is: 2,751,473,877.27
Step by Step Solution
- Step 1: Write the proportion equation
3,601,337,836.14 : 4,969,739,473.92 = 1,993,864,473.45 : x - Step 2: Convert to fraction form
3,601,337,836.14/4,969,739,473.92 = 1,993,864,473.45/x - Step 3: Cross multiply
3,601,337,836.14x = 4,969,739,473.92 × 1,993,864,473.45 - Step 4: Simplify right side
3,601,337,836.14x = 9,908,986,979,351,181,312 - Step 5: Solve for x
x = 9,908,986,979,351,181,312/3,601,337,836.14 - Step 6: Final answer
x = 2,751,473,877.27
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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.