Finding the Fourth Proportional to 327,494,443.20, 491,241,664.80 and 133,305,901.80
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Solution
The fourth proportional to 327,494,443.20, 491,241,664.80 and 133,305,901.80 is: 199,958,852.70
Step by Step Solution
- Step 1: Write the proportion equation
327,494,443.20 : 491,241,664.80 = 133,305,901.80 : x - Step 2: Convert to fraction form
327,494,443.20/491,241,664.80 = 133,305,901.80/x - Step 3: Cross multiply
327,494,443.20x = 491,241,664.80 × 133,305,901.80 - Step 4: Simplify right side
327,494,443.20x = 65,485,413,127,897,320 - Step 5: Solve for x
x = 65,485,413,127,897,320/327,494,443.20 - Step 6: Final answer
x = 199,958,852.70
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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.