Finding the Fourth Proportional to 3,543,107,230.80, 5,314,660,846.20 and 922,906,270.80
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Solution
The fourth proportional to 3,543,107,230.80, 5,314,660,846.20 and 922,906,270.80 is: 1,384,359,406.20
Step by Step Solution
- Step 1: Write the proportion equation
3,543,107,230.80 : 5,314,660,846.20 = 922,906,270.80 : x - Step 2: Convert to fraction form
3,543,107,230.80/5,314,660,846.20 = 922,906,270.80/x - Step 3: Cross multiply
3,543,107,230.80x = 5,314,660,846.20 × 922,906,270.80 - Step 4: Simplify right side
3,543,107,230.80x = 4,904,933,822,133,214,208 - Step 5: Solve for x
x = 4,904,933,822,133,214,208/3,543,107,230.80 - Step 6: Final answer
x = 1,384,359,406.20
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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.