Finding the Fourth Proportional to 366,080,761.66, 505,201,316.61 and 215,383,936.63
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Solution
The fourth proportional to 366,080,761.66, 505,201,316.61 and 215,383,936.63 is: 297,235,636.94
Step by Step Solution
- Step 1: Write the proportion equation
366,080,761.66 : 505,201,316.61 = 215,383,936.63 : x - Step 2: Convert to fraction form
366,080,761.66/505,201,316.61 = 215,383,936.63/x - Step 3: Cross multiply
366,080,761.66x = 505,201,316.61 × 215,383,936.63 - Step 4: Simplify right side
366,080,761.66x = 108,812,248,362,120,800 - Step 5: Solve for x
x = 108,812,248,362,120,800/366,080,761.66 - Step 6: Final answer
x = 297,235,636.94
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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.