Finding the Fourth Proportional to 440,304,163.60, 660,456,245.40 and 181,386,108.40
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Solution
The fourth proportional to 440,304,163.60, 660,456,245.40 and 181,386,108.40 is: 272,079,162.60
Step by Step Solution
- Step 1: Write the proportion equation
440,304,163.60 : 660,456,245.40 = 181,386,108.40 : x - Step 2: Convert to fraction form
440,304,163.60/660,456,245.40 = 181,386,108.40/x - Step 3: Cross multiply
440,304,163.60x = 660,456,245.40 × 181,386,108.40 - Step 4: Simplify right side
440,304,163.60x = 119,797,588,121,581,408 - Step 5: Solve for x
x = 119,797,588,121,581,408/440,304,163.60 - Step 6: Final answer
x = 272,079,162.60
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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.