Finding the Fourth Proportional to 298,863,902.68, 412,442,441.40 and 173,406,625
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Solution
The fourth proportional to 298,863,902.68, 412,442,441.40 and 173,406,625 is: 239,307,093.06
Step by Step Solution
- Step 1: Write the proportion equation
298,863,902.68 : 412,442,441.40 = 173,406,625 : x - Step 2: Convert to fraction form
298,863,902.68/412,442,441.40 = 173,406,625/x - Step 3: Cross multiply
298,863,902.68x = 412,442,441.40 × 173,406,625 - Step 4: Simplify right side
298,863,902.68x = 71,520,251,769,934,272 - Step 5: Solve for x
x = 71,520,251,769,934,272/298,863,902.68 - Step 6: Final answer
x = 239,307,093.06
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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.