Finding the Fourth Proportional to 326,521,247.40, 450,582,310.98 and 202,759,269.48
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Solution
The fourth proportional to 326,521,247.40, 450,582,310.98 and 202,759,269.48 is: 279,797,228.95
Step by Step Solution
- Step 1: Write the proportion equation
326,521,247.40 : 450,582,310.98 = 202,759,269.48 : x - Step 2: Convert to fraction form
326,521,247.40/450,582,310.98 = 202,759,269.48/x - Step 3: Cross multiply
326,521,247.40x = 450,582,310.98 × 202,759,269.48 - Step 4: Simplify right side
326,521,247.40x = 91,359,740,214,914,976 - Step 5: Solve for x
x = 91,359,740,214,914,976/326,521,247.40 - Step 6: Final answer
x = 279,797,228.95
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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.