Finding the Fourth Proportional to 986,367,017.79, 1,477,491,635.07 and 591,642,020.48
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Solution
The fourth proportional to 986,367,017.79, 1,477,491,635.07 and 591,642,020.48 is: 886,228,067.69
Step by Step Solution
- Step 1: Write the proportion equation
986,367,017.79 : 1,477,491,635.07 = 591,642,020.48 : x - Step 2: Convert to fraction form
986,367,017.79/1,477,491,635.07 = 591,642,020.48/x - Step 3: Cross multiply
986,367,017.79x = 1,477,491,635.07 × 591,642,020.48 - Step 4: Simplify right side
986,367,017.79x = 874,146,136,207,726,208 - Step 5: Solve for x
x = 874,146,136,207,726,208/986,367,017.79 - Step 6: Final answer
x = 886,228,067.69
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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.