Finding the Fourth Proportional to 366,080,758.66, 505,201,312.47 and 215,383,933.63
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Solution
The fourth proportional to 366,080,758.66, 505,201,312.47 and 215,383,933.63 is: 297,235,632.80
Step by Step Solution
- Step 1: Write the proportion equation
366,080,758.66 : 505,201,312.47 = 215,383,933.63 : x - Step 2: Convert to fraction form
366,080,758.66/505,201,312.47 = 215,383,933.63/x - Step 3: Cross multiply
366,080,758.66x = 505,201,312.47 × 215,383,933.63 - Step 4: Simplify right side
366,080,758.66x = 108,812,245,954,827,376 - Step 5: Solve for x
x = 108,812,245,954,827,376/366,080,758.66 - Step 6: Final answer
x = 297,235,632.80
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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.