Finding the Fourth Proportional to 5,865,037,067.70, 8,797,555,601.55 and 1,987,643,531.70
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Solution
The fourth proportional to 5,865,037,067.70, 8,797,555,601.55 and 1,987,643,531.70 is: 2,981,465,297.55
Step by Step Solution
- Step 1: Write the proportion equation
5,865,037,067.70 : 8,797,555,601.55 = 1,987,643,531.70 : x - Step 2: Convert to fraction form
5,865,037,067.70/8,797,555,601.55 = 1,987,643,531.70/x - Step 3: Cross multiply
5,865,037,067.70x = 8,797,555,601.55 × 1,987,643,531.70 - Step 4: Simplify right side
5,865,037,067.70x = 17,486,404,486,191,958,016 - Step 5: Solve for x
x = 17,486,404,486,191,958,016/5,865,037,067.70 - Step 6: Final answer
x = 2,981,465,297.55
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Double scale
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Similar ratio
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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.