Finding the Fourth Proportional to 3,489,725,229.12, 4,815,797,956.56 and 1,984,351,690.08
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Solution
The fourth proportional to 3,489,725,229.12, 4,815,797,956.56 and 1,984,351,690.08 is: 2,738,392,333.71
Step by Step Solution
- Step 1: Write the proportion equation
3,489,725,229.12 : 4,815,797,956.56 = 1,984,351,690.08 : x - Step 2: Convert to fraction form
3,489,725,229.12/4,815,797,956.56 = 1,984,351,690.08/x - Step 3: Cross multiply
3,489,725,229.12x = 4,815,797,956.56 × 1,984,351,690.08 - Step 4: Simplify right side
3,489,725,229.12x = 9,556,236,814,183,647,232 - Step 5: Solve for x
x = 9,556,236,814,183,647,232/3,489,725,229.12 - Step 6: Final answer
x = 2,738,392,333.71
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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.