Finding the Fourth Proportional to 394,971,228.98, 592,382,773.73 and 198,181,804.18
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Solution
The fourth proportional to 394,971,228.98, 592,382,773.73 and 198,181,804.18 is: 297,235,540.83
Step by Step Solution
- Step 1: Write the proportion equation
394,971,228.98 : 592,382,773.73 = 198,181,804.18 : x - Step 2: Convert to fraction form
394,971,228.98/592,382,773.73 = 198,181,804.18/x - Step 3: Cross multiply
394,971,228.98x = 592,382,773.73 × 198,181,804.18 - Step 4: Simplify right side
394,971,228.98x = 117,399,486,861,305,728 - Step 5: Solve for x
x = 117,399,486,861,305,728/394,971,228.98 - Step 6: Final answer
x = 297,235,540.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.