Finding the Fourth Proportional to 3,589,541,124.70, 5,384,311,687.05 and 3,371,862,891.10
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Solution
The fourth proportional to 3,589,541,124.70, 5,384,311,687.05 and 3,371,862,891.10 is: 5,057,794,336.65
Step by Step Solution
- Step 1: Write the proportion equation
3,589,541,124.70 : 5,384,311,687.05 = 3,371,862,891.10 : x - Step 2: Convert to fraction form
3,589,541,124.70/5,384,311,687.05 = 3,371,862,891.10/x - Step 3: Cross multiply
3,589,541,124.70x = 5,384,311,687.05 × 3,371,862,891.10 - Step 4: Simplify right side
3,589,541,124.70x = 18,155,160,771,679,932,416 - Step 5: Solve for x
x = 18,155,160,771,679,932,416/3,589,541,124.70 - Step 6: Final answer
x = 5,057,794,336.65
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Double scale
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Similar ratio
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1.5x scale
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.