Finding the Fourth Proportional to 437,582,471.40, 656,373,649.68 and 178,797,424.05
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Solution
The fourth proportional to 437,582,471.40, 656,373,649.68 and 178,797,424.05 is: 268,196,112.61
Step by Step Solution
- Step 1: Write the proportion equation
437,582,471.40 : 656,373,649.68 = 178,797,424.05 : x - Step 2: Convert to fraction form
437,582,471.40/656,373,649.68 = 178,797,424.05/x - Step 3: Cross multiply
437,582,471.40x = 656,373,649.68 × 178,797,424.05 - Step 4: Simplify right side
437,582,471.40x = 117,357,917,777,081,104 - Step 5: Solve for x
x = 117,357,917,777,081,104/437,582,471.40 - Step 6: Final answer
x = 268,196,112.61
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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.