Finding the Fourth Proportional to 362,994,382.60, 544,491,573.90 and 120,625,793.80
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Solution
The fourth proportional to 362,994,382.60, 544,491,573.90 and 120,625,793.80 is: 180,938,690.70
Step by Step Solution
- Step 1: Write the proportion equation
362,994,382.60 : 544,491,573.90 = 120,625,793.80 : x - Step 2: Convert to fraction form
362,994,382.60/544,491,573.90 = 120,625,793.80/x - Step 3: Cross multiply
362,994,382.60x = 544,491,573.90 × 120,625,793.80 - Step 4: Simplify right side
362,994,382.60x = 65,679,728,319,098,856 - Step 5: Solve for x
x = 65,679,728,319,098,856/362,994,382.60 - Step 6: Final answer
x = 180,938,690.70
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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.