Finding the Fourth Proportional to 328,022,879.25, 452,681,021.21 and 181,354,611.09
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Solution
The fourth proportional to 328,022,879.25, 452,681,021.21 and 181,354,611.09 is: 250,274,586.75
Step by Step Solution
- Step 1: Write the proportion equation
328,022,879.25 : 452,681,021.21 = 181,354,611.09 : x - Step 2: Convert to fraction form
328,022,879.25/452,681,021.21 = 181,354,611.09/x - Step 3: Cross multiply
328,022,879.25x = 452,681,021.21 × 181,354,611.09 - Step 4: Simplify right side
328,022,879.25x = 82,095,790,548,456,816 - Step 5: Solve for x
x = 82,095,790,548,456,816/328,022,879.25 - Step 6: Final answer
x = 250,274,586.75
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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.