Finding the Fourth Proportional to 3,971,444,986.68, 5,480,981,198.02 and 2,966,117,194.12
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Solution
The fourth proportional to 3,971,444,986.68, 5,480,981,198.02 and 2,966,117,194.12 is: 4,093,530,850.01
Step by Step Solution
- Step 1: Write the proportion equation
3,971,444,986.68 : 5,480,981,198.02 = 2,966,117,194.12 : x - Step 2: Convert to fraction form
3,971,444,986.68/5,480,981,198.02 = 2,966,117,194.12/x - Step 3: Cross multiply
3,971,444,986.68x = 5,480,981,198.02 × 2,966,117,194.12 - Step 4: Simplify right side
3,971,444,986.68x = 16,257,232,572,095,559,680 - Step 5: Solve for x
x = 16,257,232,572,095,559,680/3,971,444,986.68 - Step 6: Final answer
x = 4,093,530,850.01
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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.