Finding the Fourth Proportional to 265,042,747.76, 397,046,917.12 and 206,476,198.08
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Solution
The fourth proportional to 265,042,747.76, 397,046,917.12 and 206,476,198.08 is: 309,311,379.39
Step by Step Solution
- Step 1: Write the proportion equation
265,042,747.76 : 397,046,917.12 = 206,476,198.08 : x - Step 2: Convert to fraction form
265,042,747.76/397,046,917.12 = 206,476,198.08/x - Step 3: Cross multiply
265,042,747.76x = 397,046,917.12 × 206,476,198.08 - Step 4: Simplify right side
265,042,747.76x = 81,980,737,906,322,464 - Step 5: Solve for x
x = 81,980,737,906,322,464/265,042,747.76 - Step 6: Final answer
x = 309,311,379.39
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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.