Finding the Fourth Proportional to 2,235,255,582.26, 3,084,513,716.93 and 1,231,616,984.90
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Solution
The fourth proportional to 2,235,255,582.26, 3,084,513,716.93 and 1,231,616,984.90 is: 1,699,554,858.09
Step by Step Solution
- Step 1: Write the proportion equation
2,235,255,582.26 : 3,084,513,716.93 = 1,231,616,984.90 : x - Step 2: Convert to fraction form
2,235,255,582.26/3,084,513,716.93 = 1,231,616,984.90/x - Step 3: Cross multiply
2,235,255,582.26x = 3,084,513,716.93 × 1,231,616,984.90 - Step 4: Simplify right side
2,235,255,582.26x = 3,798,939,483,906,438,144 - Step 5: Solve for x
x = 3,798,939,483,906,438,144/2,235,255,582.26 - Step 6: Final answer
x = 1,699,554,858.09
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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.