Finding the Fourth Proportional to 3,649,284,113.97, 5,036,118,315.33 and 2,063,342,021.56
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Solution
The fourth proportional to 3,649,284,113.97, 5,036,118,315.33 and 2,063,342,021.56 is: 2,847,472,057.82
Step by Step Solution
- Step 1: Write the proportion equation
3,649,284,113.97 : 5,036,118,315.33 = 2,063,342,021.56 : x - Step 2: Convert to fraction form
3,649,284,113.97/5,036,118,315.33 = 2,063,342,021.56/x - Step 3: Cross multiply
3,649,284,113.97x = 5,036,118,315.33 × 2,063,342,021.56 - Step 4: Simplify right side
3,649,284,113.97x = 10,391,234,545,568,344,064 - Step 5: Solve for x
x = 10,391,234,545,568,344,064/3,649,284,113.97 - Step 6: Final answer
x = 2,847,472,057.82
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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.