Finding the Fourth Proportional to 641,603,563.68, 962,251,249.32 and 296,225,350.32
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Solution
The fourth proportional to 641,603,563.68, 962,251,249.32 and 296,225,350.32 is: 444,266,879.99
Step by Step Solution
- Step 1: Write the proportion equation
641,603,563.68 : 962,251,249.32 = 296,225,350.32 : x - Step 2: Convert to fraction form
641,603,563.68/962,251,249.32 = 296,225,350.32/x - Step 3: Cross multiply
641,603,563.68x = 962,251,249.32 × 296,225,350.32 - Step 4: Simplify right side
641,603,563.68x = 285,043,213,425,674,656 - Step 5: Solve for x
x = 285,043,213,425,674,656/641,603,563.68 - Step 6: Final answer
x = 444,266,879.99
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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.