Finding the Fourth Proportional to 505,491,922.20, 758,237,883.30 and 246,873,048.60
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Solution
The fourth proportional to 505,491,922.20, 758,237,883.30 and 246,873,048.60 is: 370,309,572.90
Step by Step Solution
- Step 1: Write the proportion equation
505,491,922.20 : 758,237,883.30 = 246,873,048.60 : x - Step 2: Convert to fraction form
505,491,922.20/758,237,883.30 = 246,873,048.60/x - Step 3: Cross multiply
505,491,922.20x = 758,237,883.30 × 246,873,048.60 - Step 4: Simplify right side
505,491,922.20x = 187,188,497,814,282,016 - Step 5: Solve for x
x = 187,188,497,814,282,016/505,491,922.20 - Step 6: Final answer
x = 370,309,572.90
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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.