Finding the Fourth Proportional to 394,338,734.10, 541,337,812.34 and 338,487,191.28
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Solution
The fourth proportional to 394,338,734.10, 541,337,812.34 and 338,487,191.28 is: 464,666,287.60
Step by Step Solution
- Step 1: Write the proportion equation
394,338,734.10 : 541,337,812.34 = 338,487,191.28 : x - Step 2: Convert to fraction form
394,338,734.10/541,337,812.34 = 338,487,191.28/x - Step 3: Cross multiply
394,338,734.10x = 541,337,812.34 × 338,487,191.28 - Step 4: Simplify right side
394,338,734.10x = 183,235,915,630,933,888 - Step 5: Solve for x
x = 183,235,915,630,933,888/394,338,734.10 - Step 6: Final answer
x = 464,666,287.60
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.