Finding the Fourth Proportional to 445,222,224.76, 667,935,936.32 and 154,089,350.99
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Solution
The fourth proportional to 445,222,224.76, 667,935,936.32 and 154,089,350.99 is: 231,169,535.59
Step by Step Solution
- Step 1: Write the proportion equation
445,222,224.76 : 667,935,936.32 = 154,089,350.99 : x - Step 2: Convert to fraction form
445,222,224.76/667,935,936.32 = 154,089,350.99/x - Step 3: Cross multiply
445,222,224.76x = 667,935,936.32 × 154,089,350.99 - Step 4: Simplify right side
445,222,224.76x = 102,921,814,930,446,784 - Step 5: Solve for x
x = 102,921,814,930,446,784/445,222,224.76 - Step 6: Final answer
x = 231,169,535.59
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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.