Finding the Fourth Proportional to 366,080,759.16, 505,201,313.16 and 215,383,934.13
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Solution
The fourth proportional to 366,080,759.16, 505,201,313.16 and 215,383,934.13 is: 297,235,633.49
Step by Step Solution
- Step 1: Write the proportion equation
366,080,759.16 : 505,201,313.16 = 215,383,934.13 : x - Step 2: Convert to fraction form
366,080,759.16/505,201,313.16 = 215,383,934.13/x - Step 3: Cross multiply
366,080,759.16x = 505,201,313.16 × 215,383,934.13 - Step 4: Simplify right side
366,080,759.16x = 108,812,246,356,042,944 - Step 5: Solve for x
x = 108,812,246,356,042,944/366,080,759.16 - Step 6: Final answer
x = 297,235,633.49
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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.