Finding the Fourth Proportional to 300,923,929.72, 415,320,414.84 and 183,517,365.92
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Solution
The fourth proportional to 300,923,929.72, 415,320,414.84 and 183,517,365.92 is: 253,281,647.01
Step by Step Solution
- Step 1: Write the proportion equation
300,923,929.72 : 415,320,414.84 = 183,517,365.92 : x - Step 2: Convert to fraction form
300,923,929.72/415,320,414.84 = 183,517,365.92/x - Step 3: Cross multiply
300,923,929.72x = 415,320,414.84 × 183,517,365.92 - Step 4: Simplify right side
300,923,929.72x = 76,218,508,544,238,464 - Step 5: Solve for x
x = 76,218,508,544,238,464/300,923,929.72 - Step 6: Final answer
x = 253,281,647.01
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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.