Finding the Fourth Proportional to 3,876,678,008.88, 5,816,482,544.80 and 1,517,525,009.14
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Solution
The fourth proportional to 3,876,678,008.88, 5,816,482,544.80 and 1,517,525,009.14 is: 2,276,861,195.78
Step by Step Solution
- Step 1: Write the proportion equation
3,876,678,008.88 : 5,816,482,544.80 = 1,517,525,009.14 : x - Step 2: Convert to fraction form
3,876,678,008.88/5,816,482,544.80 = 1,517,525,009.14/x - Step 3: Cross multiply
3,876,678,008.88x = 5,816,482,544.80 × 1,517,525,009.14 - Step 4: Simplify right side
3,876,678,008.88x = 8,826,657,726,923,600,896 - Step 5: Solve for x
x = 8,826,657,726,923,600,896/3,876,678,008.88 - Step 6: Final answer
x = 2,276,861,195.78
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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.