Finding the Fourth Proportional to 2,987,236,276.80, 4,480,854,415.20 and 1,609,741,204.80
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Solution
The fourth proportional to 2,987,236,276.80, 4,480,854,415.20 and 1,609,741,204.80 is: 2,414,611,807.20
Step by Step Solution
- Step 1: Write the proportion equation
2,987,236,276.80 : 4,480,854,415.20 = 1,609,741,204.80 : x - Step 2: Convert to fraction form
2,987,236,276.80/4,480,854,415.20 = 1,609,741,204.80/x - Step 3: Cross multiply
2,987,236,276.80x = 4,480,854,415.20 × 1,609,741,204.80 - Step 4: Simplify right side
2,987,236,276.80x = 7,213,015,984,857,447,424 - Step 5: Solve for x
x = 7,213,015,984,857,447,424/2,987,236,276.80 - Step 6: Final answer
x = 2,414,611,807.20
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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.