Finding the Fourth Proportional to 3,125,425,374,772, 4,313,203,417,940.60 and 1,874,190,623,608.60
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Solution
The fourth proportional to 3,125,425,374,772, 4,313,203,417,940.60 and 1,874,190,623,608.60 is: 2,586,452,861,383.88
Step by Step Solution
- Step 1: Write the proportion equation
3,125,425,374,772 : 4,313,203,417,940.60 = 1,874,190,623,608.60 : x - Step 2: Convert to fraction form
3,125,425,374,772/4,313,203,417,940.60 = 1,874,190,623,608.60/x - Step 3: Cross multiply
3,125,425,374,772x = 4,313,203,417,940.60 × 1,874,190,623,608.60 - Step 4: Simplify right side
3,125,425,374,772x = 8,083,765,403,620,838,324,830,208 - Step 5: Solve for x
x = 8,083,765,403,620,838,324,830,208/3,125,425,374,772 - Step 6: Final answer
x = 2,586,452,861,383.88
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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.