Finding the Fourth Proportional to 396,750,203.46, 547,477,694.01 and 220,517,272.26
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Solution
The fourth proportional to 396,750,203.46, 547,477,694.01 and 220,517,272.26 is: 304,292,944.66
Step by Step Solution
- Step 1: Write the proportion equation
396,750,203.46 : 547,477,694.01 = 220,517,272.26 : x - Step 2: Convert to fraction form
396,750,203.46/547,477,694.01 = 220,517,272.26/x - Step 3: Cross multiply
396,750,203.46x = 547,477,694.01 × 220,517,272.26 - Step 4: Simplify right side
396,750,203.46x = 120,728,287,706,280,128 - Step 5: Solve for x
x = 120,728,287,706,280,128/396,750,203.46 - Step 6: Final answer
x = 304,292,944.66
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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.