Finding the Fourth Proportional to 446,735,442.60, 670,103,163.90 and 331,944,186.60
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Solution
The fourth proportional to 446,735,442.60, 670,103,163.90 and 331,944,186.60 is: 497,916,279.90
Step by Step Solution
- Step 1: Write the proportion equation
446,735,442.60 : 670,103,163.90 = 331,944,186.60 : x - Step 2: Convert to fraction form
446,735,442.60/670,103,163.90 = 331,944,186.60/x - Step 3: Cross multiply
446,735,442.60x = 670,103,163.90 × 331,944,186.60 - Step 4: Simplify right side
446,735,442.60x = 222,436,849,678,872,000 - Step 5: Solve for x
x = 222,436,849,678,872,000/446,735,442.60 - Step 6: Final answer
x = 497,916,279.90
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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.