Finding the Fourth Proportional to 394,780,863.08, 591,751,390.60 and 149,033,096.84
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Solution
The fourth proportional to 394,780,863.08, 591,751,390.60 and 149,033,096.84 is: 223,391,127.96
Step by Step Solution
- Step 1: Write the proportion equation
394,780,863.08 : 591,751,390.60 = 149,033,096.84 : x - Step 2: Convert to fraction form
394,780,863.08/591,751,390.60 = 149,033,096.84/x - Step 3: Cross multiply
394,780,863.08x = 591,751,390.60 × 149,033,096.84 - Step 4: Simplify right side
394,780,863.08x = 88,190,542,300,494,464 - Step 5: Solve for x
x = 88,190,542,300,494,464/394,780,863.08 - Step 6: Final answer
x = 223,391,127.96
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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.