Finding the Fourth Proportional to 629,648,173.05, 944,438,201.82 and 192,950,124.90
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Solution
The fourth proportional to 629,648,173.05, 944,438,201.82 and 192,950,124.90 is: 289,414,750.65
Step by Step Solution
- Step 1: Write the proportion equation
629,648,173.05 : 944,438,201.82 = 192,950,124.90 : x - Step 2: Convert to fraction form
629,648,173.05/944,438,201.82 = 192,950,124.90/x - Step 3: Cross multiply
629,648,173.05x = 944,438,201.82 × 192,950,124.90 - Step 4: Simplify right side
629,648,173.05x = 182,229,469,001,500,416 - Step 5: Solve for x
x = 182,229,469,001,500,416/629,648,173.05 - Step 6: Final answer
x = 289,414,750.65
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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.