Finding the Fourth Proportional to 482,548,771.61, 724,067,619.68 and 220,204,249.95
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Solution
The fourth proportional to 482,548,771.61, 724,067,619.68 and 220,204,249.95 is: 330,417,931.80
Step by Step Solution
- Step 1: Write the proportion equation
482,548,771.61 : 724,067,619.68 = 220,204,249.95 : x - Step 2: Convert to fraction form
482,548,771.61/724,067,619.68 = 220,204,249.95/x - Step 3: Cross multiply
482,548,771.61x = 724,067,619.68 × 220,204,249.95 - Step 4: Simplify right side
482,548,771.61x = 159,442,767,107,989,248 - Step 5: Solve for x
x = 159,442,767,107,989,248/482,548,771.61 - Step 6: Final answer
x = 330,417,931.80
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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.