Finding the Fourth Proportional to 2,987,236,220.80, 4,480,854,331.20 and 1,609,741,148.80
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Solution
The fourth proportional to 2,987,236,220.80, 4,480,854,331.20 and 1,609,741,148.80 is: 2,414,611,723.20
Step by Step Solution
- Step 1: Write the proportion equation
2,987,236,220.80 : 4,480,854,331.20 = 1,609,741,148.80 : x - Step 2: Convert to fraction form
2,987,236,220.80/4,480,854,331.20 = 1,609,741,148.80/x - Step 3: Cross multiply
2,987,236,220.80x = 4,480,854,331.20 × 1,609,741,148.80 - Step 4: Simplify right side
2,987,236,220.80x = 7,213,015,598,711,343,104 - Step 5: Solve for x
x = 7,213,015,598,711,343,104/2,987,236,220.80 - Step 6: Final answer
x = 2,414,611,723.20
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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.