Finding the Fourth Proportional to 366,080,720.09, 505,201,260.06 and 215,383,895.46
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Solution
The fourth proportional to 366,080,720.09, 505,201,260.06 and 215,383,895.46 is: 297,235,580.61
Step by Step Solution
- Step 1: Write the proportion equation
366,080,720.09 : 505,201,260.06 = 215,383,895.46 : x - Step 2: Convert to fraction form
366,080,720.09/505,201,260.06 = 215,383,895.46/x - Step 3: Cross multiply
366,080,720.09x = 505,201,260.06 × 215,383,895.46 - Step 4: Simplify right side
366,080,720.09x = 108,812,215,383,023,312 - Step 5: Solve for x
x = 108,812,215,383,023,312/366,080,720.09 - Step 6: Final answer
x = 297,235,580.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.