Finding the Fourth Proportional to 1,566,665,835.09, 2,350,015,136.97 and 461,291,620.65
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Solution
The fourth proportional to 1,566,665,835.09, 2,350,015,136.97 and 461,291,620.65 is: 691,942,255.21
Step by Step Solution
- Step 1: Write the proportion equation
1,566,665,835.09 : 2,350,015,136.97 = 461,291,620.65 : x - Step 2: Convert to fraction form
1,566,665,835.09/2,350,015,136.97 = 461,291,620.65/x - Step 3: Cross multiply
1,566,665,835.09x = 2,350,015,136.97 × 461,291,620.65 - Step 4: Simplify right side
1,566,665,835.09x = 1,084,042,291,084,922,880 - Step 5: Solve for x
x = 1,084,042,291,084,922,880/1,566,665,835.09 - Step 6: Final answer
x = 691,942,255.21
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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.