Finding the Fourth Proportional to 330,858,471.80, 496,287,707.70 and 169,615,335.80
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Solution
The fourth proportional to 330,858,471.80, 496,287,707.70 and 169,615,335.80 is: 254,423,003.70
Step by Step Solution
- Step 1: Write the proportion equation
330,858,471.80 : 496,287,707.70 = 169,615,335.80 : x - Step 2: Convert to fraction form
330,858,471.80/496,287,707.70 = 169,615,335.80/x - Step 3: Cross multiply
330,858,471.80x = 496,287,707.70 × 169,615,335.80 - Step 4: Simplify right side
330,858,471.80x = 84,178,006,194,947,744 - Step 5: Solve for x
x = 84,178,006,194,947,744/330,858,471.80 - Step 6: Final answer
x = 254,423,003.70
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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.