Finding the Fourth Proportional to 426,170,891.88, 588,214,108.44 and 250,015,477.68
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Solution
The fourth proportional to 426,170,891.88, 588,214,108.44 and 250,015,477.68 is: 345,079,014.32
Step by Step Solution
- Step 1: Write the proportion equation
426,170,891.88 : 588,214,108.44 = 250,015,477.68 : x - Step 2: Convert to fraction form
426,170,891.88/588,214,108.44 = 250,015,477.68/x - Step 3: Cross multiply
426,170,891.88x = 588,214,108.44 × 250,015,477.68 - Step 4: Simplify right side
426,170,891.88x = 147,062,631,299,741,952 - Step 5: Solve for x
x = 147,062,631,299,741,952/426,170,891.88 - Step 6: Final answer
x = 345,079,014.32
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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.