Finding the Fourth Proportional to 320,804,982.70, 481,207,474.05 and 116,339,728.30
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Solution
The fourth proportional to 320,804,982.70, 481,207,474.05 and 116,339,728.30 is: 174,509,592.45
Step by Step Solution
- Step 1: Write the proportion equation
320,804,982.70 : 481,207,474.05 = 116,339,728.30 : x - Step 2: Convert to fraction form
320,804,982.70/481,207,474.05 = 116,339,728.30/x - Step 3: Cross multiply
320,804,982.70x = 481,207,474.05 × 116,339,728.30 - Step 4: Simplify right side
320,804,982.70x = 55,983,546,786,906,304 - Step 5: Solve for x
x = 55,983,546,786,906,304/320,804,982.70 - Step 6: Final answer
x = 174,509,592.45
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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.