Finding the Fourth Proportional to 449,079,163.20, 673,618,744.80 and 415,486,843.20
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Solution
The fourth proportional to 449,079,163.20, 673,618,744.80 and 415,486,843.20 is: 623,230,264.80
Step by Step Solution
- Step 1: Write the proportion equation
449,079,163.20 : 673,618,744.80 = 415,486,843.20 : x - Step 2: Convert to fraction form
449,079,163.20/673,618,744.80 = 415,486,843.20/x - Step 3: Cross multiply
449,079,163.20x = 673,618,744.80 × 415,486,843.20 - Step 4: Simplify right side
449,079,163.20x = 279,879,725,797,298,400 - Step 5: Solve for x
x = 279,879,725,797,298,400/449,079,163.20 - Step 6: Final answer
x = 623,230,264.80
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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.