Finding the Fourth Proportional to 499,347,837.33, 749,317,660.74 and 278,204,276.31
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Solution
The fourth proportional to 499,347,837.33, 749,317,660.74 and 278,204,276.31 is: 417,471,273.42
Step by Step Solution
- Step 1: Write the proportion equation
499,347,837.33 : 749,317,660.74 = 278,204,276.31 : x - Step 2: Convert to fraction form
499,347,837.33/749,317,660.74 = 278,204,276.31/x - Step 3: Cross multiply
499,347,837.33x = 749,317,660.74 × 278,204,276.31 - Step 4: Simplify right side
499,347,837.33x = 208,463,377,529,663,840 - Step 5: Solve for x
x = 208,463,377,529,663,840/499,347,837.33 - Step 6: Final answer
x = 417,471,273.42
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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.