Finding the Fourth Proportional to 332,153,998.80, 498,230,998.20 and 159,589,201.20
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Solution
The fourth proportional to 332,153,998.80, 498,230,998.20 and 159,589,201.20 is: 239,383,801.80
Step by Step Solution
- Step 1: Write the proportion equation
332,153,998.80 : 498,230,998.20 = 159,589,201.20 : x - Step 2: Convert to fraction form
332,153,998.80/498,230,998.20 = 159,589,201.20/x - Step 3: Cross multiply
332,153,998.80x = 498,230,998.20 × 159,589,201.20 - Step 4: Simplify right side
332,153,998.80x = 79,512,287,015,816,624 - Step 5: Solve for x
x = 79,512,287,015,816,624/332,153,998.80 - Step 6: Final answer
x = 239,383,801.80
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1.5x scale
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.