Finding the Fourth Proportional to 308,026,207.08, 461,728,231.74 and 193,091,308.92
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Solution
The fourth proportional to 308,026,207.08, 461,728,231.74 and 193,091,308.92 is: 289,441,958.45
Step by Step Solution
- Step 1: Write the proportion equation
308,026,207.08 : 461,728,231.74 = 193,091,308.92 : x - Step 2: Convert to fraction form
308,026,207.08/461,728,231.74 = 193,091,308.92/x - Step 3: Cross multiply
308,026,207.08x = 461,728,231.74 × 193,091,308.92 - Step 4: Simplify right side
308,026,207.08x = 89,155,708,631,993,680 - Step 5: Solve for x
x = 89,155,708,631,993,680/308,026,207.08 - Step 6: Final answer
x = 289,441,958.45
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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.