Finding the Fourth Proportional to 355,544,063, 490,647,192.06 and 196,774,495.75
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Solution
The fourth proportional to 355,544,063, 490,647,192.06 and 196,774,495.75 is: 271,546,803.49
Step by Step Solution
- Step 1: Write the proportion equation
355,544,063 : 490,647,192.06 = 196,774,495.75 : x - Step 2: Convert to fraction form
355,544,063/490,647,192.06 = 196,774,495.75/x - Step 3: Cross multiply
355,544,063x = 490,647,192.06 × 196,774,495.75 - Step 4: Simplify right side
355,544,063x = 96,546,853,808,759,904 - Step 5: Solve for x
x = 96,546,853,808,759,904/355,544,063 - Step 6: Final answer
x = 271,546,803.49
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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.