Finding the Fourth Proportional to 355,544,062.00, 490,647,190.68 and 196,774,494.75
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Solution
The fourth proportional to 355,544,062.00, 490,647,190.68 and 196,774,494.75 is: 271,546,802.12
Step by Step Solution
- Step 1: Write the proportion equation
355,544,062.00 : 490,647,190.68 = 196,774,494.75 : x - Step 2: Convert to fraction form
355,544,062.00/490,647,190.68 = 196,774,494.75/x - Step 3: Cross multiply
355,544,062.00x = 490,647,190.68 × 196,774,494.75 - Step 4: Simplify right side
355,544,062.00x = 96,546,853,046,563,904 - Step 5: Solve for x
x = 96,546,853,046,563,904/355,544,062.00 - Step 6: Final answer
x = 271,546,802.12
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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.