Finding the Fourth Proportional to 2,987,236,145.80, 4,480,854,218.70 and 1,609,741,073.80
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Solution
The fourth proportional to 2,987,236,145.80, 4,480,854,218.70 and 1,609,741,073.80 is: 2,414,611,610.70
Step by Step Solution
- Step 1: Write the proportion equation
2,987,236,145.80 : 4,480,854,218.70 = 1,609,741,073.80 : x - Step 2: Convert to fraction form
2,987,236,145.80/4,480,854,218.70 = 1,609,741,073.80/x - Step 3: Cross multiply
2,987,236,145.80x = 4,480,854,218.70 × 1,609,741,073.80 - Step 4: Simplify right side
2,987,236,145.80x = 7,213,015,081,551,397,888 - Step 5: Solve for x
x = 7,213,015,081,551,397,888/2,987,236,145.80 - Step 6: Final answer
x = 2,414,611,610.70
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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.