Finding the Fourth Proportional to 482,548,772.64, 724,067,621.18 and 220,204,250.99
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Solution
The fourth proportional to 482,548,772.64, 724,067,621.18 and 220,204,250.99 is: 330,417,933.33
Step by Step Solution
- Step 1: Write the proportion equation
482,548,772.64 : 724,067,621.18 = 220,204,250.99 : x - Step 2: Convert to fraction form
482,548,772.64/724,067,621.18 = 220,204,250.99/x - Step 3: Cross multiply
482,548,772.64x = 724,067,621.18 × 220,204,250.99 - Step 4: Simplify right side
482,548,772.64x = 159,442,768,188,052,960 - Step 5: Solve for x
x = 159,442,768,188,052,960/482,548,772.64 - Step 6: Final answer
x = 330,417,933.33
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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.