Finding the Fourth Proportional to 356,560,512.18, 491,872,416.21 and 232,873,589.94
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Solution
The fourth proportional to 356,560,512.18, 491,872,416.21 and 232,873,589.94 is: 321,247,281.86
Step by Step Solution
- Step 1: Write the proportion equation
356,560,512.18 : 491,872,416.21 = 232,873,589.94 : x - Step 2: Convert to fraction form
356,560,512.18/491,872,416.21 = 232,873,589.94/x - Step 3: Cross multiply
356,560,512.18x = 491,872,416.21 × 232,873,589.94 - Step 4: Simplify right side
356,560,512.18x = 114,544,095,355,284,544 - Step 5: Solve for x
x = 114,544,095,355,284,544/356,560,512.18 - Step 6: Final answer
x = 321,247,281.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.