Finding the Fourth Proportional to 311,352,737.40, 467,029,106.10 and 196,844,916.60
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Solution
The fourth proportional to 311,352,737.40, 467,029,106.10 and 196,844,916.60 is: 295,267,374.90
Step by Step Solution
- Step 1: Write the proportion equation
311,352,737.40 : 467,029,106.10 = 196,844,916.60 : x - Step 2: Convert to fraction form
311,352,737.40/467,029,106.10 = 196,844,916.60/x - Step 3: Cross multiply
311,352,737.40x = 467,029,106.10 × 196,844,916.60 - Step 4: Simplify right side
311,352,737.40x = 91,932,305,440,027,056 - Step 5: Solve for x
x = 91,932,305,440,027,056/311,352,737.40 - Step 6: Final answer
x = 295,267,374.90
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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.