Finding the Fourth Proportional to 443,253,311.07, 664,879,972.37 and 120,137,183.07
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Solution
The fourth proportional to 443,253,311.07, 664,879,972.37 and 120,137,183.07 is: 180,205,776.17
Step by Step Solution
- Step 1: Write the proportion equation
443,253,311.07 : 664,879,972.37 = 120,137,183.07 : x - Step 2: Convert to fraction form
443,253,311.07/664,879,972.37 = 120,137,183.07/x - Step 3: Cross multiply
443,253,311.07x = 664,879,972.37 × 120,137,183.07 - Step 4: Simplify right side
443,253,311.07x = 79,876,806,959,590,544 - Step 5: Solve for x
x = 79,876,806,959,590,544/443,253,311.07 - Step 6: Final answer
x = 180,205,776.17
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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.