Finding the Fourth Proportional to 426,594,859.38, 639,330,452.49 and 180,647,166.09
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Solution
The fourth proportional to 426,594,859.38, 639,330,452.49 and 180,647,166.09 is: 270,732,832.10
Step by Step Solution
- Step 1: Write the proportion equation
426,594,859.38 : 639,330,452.49 = 180,647,166.09 : x - Step 2: Convert to fraction form
426,594,859.38/639,330,452.49 = 180,647,166.09/x - Step 3: Cross multiply
426,594,859.38x = 639,330,452.49 × 180,647,166.09 - Step 4: Simplify right side
426,594,859.38x = 115,493,234,437,355,888 - Step 5: Solve for x
x = 115,493,234,437,355,888/426,594,859.38 - Step 6: Final answer
x = 270,732,832.10
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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.