Finding the Fourth Proportional to 378,883,868.26, 568,325,824.38 and 91,669,532.26
Calculator
Solution
The fourth proportional to 378,883,868.26, 568,325,824.38 and 91,669,532.26 is: 137,504,303.71
Step by Step Solution
- Step 1: Write the proportion equation
378,883,868.26 : 568,325,824.38 = 91,669,532.26 : x - Step 2: Convert to fraction form
378,883,868.26/568,325,824.38 = 91,669,532.26/x - Step 3: Cross multiply
378,883,868.26x = 568,325,824.38 × 91,669,532.26 - Step 4: Simplify right side
378,883,868.26x = 52,098,162,492,193,504 - Step 5: Solve for x
x = 52,098,162,492,193,504/378,883,868.26 - Step 6: Final answer
x = 137,504,303.71
Related Problems
Find fourth proportional to 189,441,934.13, 284,162,912.19 and 45,834,766.13
Half scale
Find fourth proportional to 757,767,736.52, 1,136,651,648.76 and 183,339,064.52
Double scale
Find fourth proportional to 378,883,869.26, 568,325,825.88 and 91,669,533.26
Similar ratio
Find fourth proportional to 568,325,802.39, 852,488,736.57 and 137,504,298.39
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.