Finding the Fourth Proportional to 499,161,967,435.14, 688,785,401,815.20 and 279,442,691,043.99
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Solution
The fourth proportional to 499,161,967,435.14, 688,785,401,815.20 and 279,442,691,043.99 is: 385,598,380,469.69
Step by Step Solution
- Step 1: Write the proportion equation
499,161,967,435.14 : 688,785,401,815.20 = 279,442,691,043.99 : x - Step 2: Convert to fraction form
499,161,967,435.14/688,785,401,815.20 = 279,442,691,043.99/x - Step 3: Cross multiply
499,161,967,435.14x = 688,785,401,815.20 × 279,442,691,043.99 - Step 4: Simplify right side
499,161,967,435.14x = 192,476,046,235,055,413,002,240 - Step 5: Solve for x
x = 192,476,046,235,055,413,002,240/499,161,967,435.14 - Step 6: Final answer
x = 385,598,380,469.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.