Finding the Fourth Proportional to 3,512,661,131.20, 5,268,991,696.80 and 927,732,107.20
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Solution
The fourth proportional to 3,512,661,131.20, 5,268,991,696.80 and 927,732,107.20 is: 1,391,598,160.80
Step by Step Solution
- Step 1: Write the proportion equation
3,512,661,131.20 : 5,268,991,696.80 = 927,732,107.20 : x - Step 2: Convert to fraction form
3,512,661,131.20/5,268,991,696.80 = 927,732,107.20/x - Step 3: Cross multiply
3,512,661,131.20x = 5,268,991,696.80 × 927,732,107.20 - Step 4: Simplify right side
3,512,661,131.20x = 4,888,212,769,691,568,128 - Step 5: Solve for x
x = 4,888,212,769,691,568,128/3,512,661,131.20 - Step 6: Final answer
x = 1,391,598,160.80
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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.