Finding the Fourth Proportional to 352,479,262.73, 486,392,145.99 and 193,701,036.92
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Solution
The fourth proportional to 352,479,262.73, 486,392,145.99 and 193,701,036.92 is: 267,291,364.32
Step by Step Solution
- Step 1: Write the proportion equation
352,479,262.73 : 486,392,145.99 = 193,701,036.92 : x - Step 2: Convert to fraction form
352,479,262.73/486,392,145.99 = 193,701,036.92/x - Step 3: Cross multiply
352,479,262.73x = 486,392,145.99 × 193,701,036.92 - Step 4: Simplify right side
352,479,262.73x = 94,214,663,028,007,008 - Step 5: Solve for x
x = 94,214,663,028,007,008/352,479,262.73 - Step 6: Final answer
x = 267,291,364.32
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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.