Finding the Fourth Proportional to 394,276,879.20, 591,415,318.80 and 175,926,799.20
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Solution
The fourth proportional to 394,276,879.20, 591,415,318.80 and 175,926,799.20 is: 263,890,198.80
Step by Step Solution
- Step 1: Write the proportion equation
394,276,879.20 : 591,415,318.80 = 175,926,799.20 : x - Step 2: Convert to fraction form
394,276,879.20/591,415,318.80 = 175,926,799.20/x - Step 3: Cross multiply
394,276,879.20x = 591,415,318.80 × 175,926,799.20 - Step 4: Simplify right side
394,276,879.20x = 104,045,804,034,331,568 - Step 5: Solve for x
x = 104,045,804,034,331,568/394,276,879.20 - Step 6: Final answer
x = 263,890,198.80
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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.