Finding the Fourth Proportional to 466,347,682.20, 699,521,523.30 and 193,578,043.80
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Solution
The fourth proportional to 466,347,682.20, 699,521,523.30 and 193,578,043.80 is: 290,367,065.70
Step by Step Solution
- Step 1: Write the proportion equation
466,347,682.20 : 699,521,523.30 = 193,578,043.80 : x - Step 2: Convert to fraction form
466,347,682.20/699,521,523.30 = 193,578,043.80/x - Step 3: Cross multiply
466,347,682.20x = 699,521,523.30 × 193,578,043.80 - Step 4: Simplify right side
466,347,682.20x = 135,412,008,076,410,112 - Step 5: Solve for x
x = 135,412,008,076,410,112/466,347,682.20 - Step 6: Final answer
x = 290,367,065.70
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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.