Finding the Fourth Proportional to 472,534,858.80, 708,589,711.80 and 181,305,190.80
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Solution
The fourth proportional to 472,534,858.80, 708,589,711.80 and 181,305,190.80 is: 271,876,223.53
Step by Step Solution
- Step 1: Write the proportion equation
472,534,858.80 : 708,589,711.80 = 181,305,190.80 : x - Step 2: Convert to fraction form
472,534,858.80/708,589,711.80 = 181,305,190.80/x - Step 3: Cross multiply
472,534,858.80x = 708,589,711.80 × 181,305,190.80 - Step 4: Simplify right side
472,534,858.80x = 128,470,992,896,816,016 - Step 5: Solve for x
x = 128,470,992,896,816,016/472,534,858.80 - Step 6: Final answer
x = 271,876,223.53
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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.