Finding the Fourth Proportional to 387,253,721.33, 581,052,119.35 and 202,977,403.41
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Solution
The fourth proportional to 387,253,721.33, 581,052,119.35 and 202,977,403.41 is: 304,556,015.70
Step by Step Solution
- Step 1: Write the proportion equation
387,253,721.33 : 581,052,119.35 = 202,977,403.41 : x - Step 2: Convert to fraction form
387,253,721.33/581,052,119.35 = 202,977,403.41/x - Step 3: Cross multiply
387,253,721.33x = 581,052,119.35 × 202,977,403.41 - Step 4: Simplify right side
387,253,721.33x = 117,940,450,431,540,416 - Step 5: Solve for x
x = 117,940,450,431,540,416/387,253,721.33 - Step 6: Final answer
x = 304,556,015.70
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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.