Finding the Fourth Proportional to 4,251,551,149.20, 6,377,326,723.80 and 1,491,459,171.60
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Solution
The fourth proportional to 4,251,551,149.20, 6,377,326,723.80 and 1,491,459,171.60 is: 2,237,188,757.40
Step by Step Solution
- Step 1: Write the proportion equation
4,251,551,149.20 : 6,377,326,723.80 = 1,491,459,171.60 : x - Step 2: Convert to fraction form
4,251,551,149.20/6,377,326,723.80 = 1,491,459,171.60/x - Step 3: Cross multiply
4,251,551,149.20x = 6,377,326,723.80 × 1,491,459,171.60 - Step 4: Simplify right side
4,251,551,149.20x = 9,511,522,432,501,288,960 - Step 5: Solve for x
x = 9,511,522,432,501,288,960/4,251,551,149.20 - Step 6: Final answer
x = 2,237,188,757.40
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1.5x scale
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.