Finding the Fourth Proportional to 3,687,287,713.70, 5,530,931,570.55 and 3,261,125,175.80
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Solution
The fourth proportional to 3,687,287,713.70, 5,530,931,570.55 and 3,261,125,175.80 is: 4,891,687,763.70
Step by Step Solution
- Step 1: Write the proportion equation
3,687,287,713.70 : 5,530,931,570.55 = 3,261,125,175.80 : x - Step 2: Convert to fraction form
3,687,287,713.70/5,530,931,570.55 = 3,261,125,175.80/x - Step 3: Cross multiply
3,687,287,713.70x = 5,530,931,570.55 × 3,261,125,175.80 - Step 4: Simplify right side
3,687,287,713.70x = 18,037,060,190,347,640,832 - Step 5: Solve for x
x = 18,037,060,190,347,640,832/3,687,287,713.70 - Step 6: Final answer
x = 4,891,687,763.70
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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.