Finding the Fourth Proportional to 3,981,440,240.80, 5,972,160,361.20 and 2,519,502,474.40
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Solution
The fourth proportional to 3,981,440,240.80, 5,972,160,361.20 and 2,519,502,474.40 is: 3,779,253,711.60
Step by Step Solution
- Step 1: Write the proportion equation
3,981,440,240.80 : 5,972,160,361.20 = 2,519,502,474.40 : x - Step 2: Convert to fraction form
3,981,440,240.80/5,972,160,361.20 = 2,519,502,474.40/x - Step 3: Cross multiply
3,981,440,240.80x = 5,972,160,361.20 × 2,519,502,474.40 - Step 4: Simplify right side
3,981,440,240.80x = 15,046,872,807,556,997,120 - Step 5: Solve for x
x = 15,046,872,807,556,997,120/3,981,440,240.80 - Step 6: Final answer
x = 3,779,253,711.60
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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.