Finding the Fourth Proportional to 448,079,791.80, 672,119,687.70 and 394,332,079.80
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Solution
The fourth proportional to 448,079,791.80, 672,119,687.70 and 394,332,079.80 is: 591,498,119.70
Step by Step Solution
- Step 1: Write the proportion equation
448,079,791.80 : 672,119,687.70 = 394,332,079.80 : x - Step 2: Convert to fraction form
448,079,791.80/672,119,687.70 = 394,332,079.80/x - Step 3: Cross multiply
448,079,791.80x = 672,119,687.70 × 394,332,079.80 - Step 4: Simplify right side
448,079,791.80x = 265,038,354,325,267,520 - Step 5: Solve for x
x = 265,038,354,325,267,520/448,079,791.80 - Step 6: Final answer
x = 591,498,119.70
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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.