Finding the Fourth Proportional to 418,247,900.16, 577,198,027.44 and 232,622,338.56
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Solution
The fourth proportional to 418,247,900.16, 577,198,027.44 and 232,622,338.56 is: 321,027,684.55
Step by Step Solution
- Step 1: Write the proportion equation
418,247,900.16 : 577,198,027.44 = 232,622,338.56 : x - Step 2: Convert to fraction form
418,247,900.16/577,198,027.44 = 232,622,338.56/x - Step 3: Cross multiply
418,247,900.16x = 577,198,027.44 × 232,622,338.56 - Step 4: Simplify right side
418,247,900.16x = 134,269,154,955,311,872 - Step 5: Solve for x
x = 134,269,154,955,311,872/418,247,900.16 - Step 6: Final answer
x = 321,027,684.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.