Finding the Fourth Proportional to 291,344,496.70, 437,016,745.05 and 277,907,568.70
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Solution
The fourth proportional to 291,344,496.70, 437,016,745.05 and 277,907,568.70 is: 416,861,353.05
Step by Step Solution
- Step 1: Write the proportion equation
291,344,496.70 : 437,016,745.05 = 277,907,568.70 : x - Step 2: Convert to fraction form
291,344,496.70/437,016,745.05 = 277,907,568.70/x - Step 3: Cross multiply
291,344,496.70x = 437,016,745.05 × 277,907,568.70 - Step 4: Simplify right side
291,344,496.70x = 121,450,261,098,033,264 - Step 5: Solve for x
x = 121,450,261,098,033,264/291,344,496.70 - Step 6: Final answer
x = 416,861,353.05
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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.