Finding the Fourth Proportional to 327,285,878.40, 490,875,240.96 and 133,189,453.44
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Solution
The fourth proportional to 327,285,878.40, 490,875,240.96 and 133,189,453.44 is: 199,762,377.07
Step by Step Solution
- Step 1: Write the proportion equation
327,285,878.40 : 490,875,240.96 = 133,189,453.44 : x - Step 2: Convert to fraction form
327,285,878.40/490,875,240.96 = 133,189,453.44/x - Step 3: Cross multiply
327,285,878.40x = 490,875,240.96 × 133,189,453.44 - Step 4: Simplify right side
327,285,878.40x = 65,379,405,050,690,696 - Step 5: Solve for x
x = 65,379,405,050,690,696/327,285,878.40 - Step 6: Final answer
x = 199,762,377.07
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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.