Finding the Fourth Proportional to 4,251,551,161.20, 6,377,326,741.80 and 1,491,459,183.60
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Solution
The fourth proportional to 4,251,551,161.20, 6,377,326,741.80 and 1,491,459,183.60 is: 2,237,188,775.40
Step by Step Solution
- Step 1: Write the proportion equation
4,251,551,161.20 : 6,377,326,741.80 = 1,491,459,183.60 : x - Step 2: Convert to fraction form
4,251,551,161.20/6,377,326,741.80 = 1,491,459,183.60/x - Step 3: Cross multiply
4,251,551,161.20x = 6,377,326,741.80 × 1,491,459,183.60 - Step 4: Simplify right side
4,251,551,161.20x = 9,511,522,535,875,475,456 - Step 5: Solve for x
x = 9,511,522,535,875,475,456/4,251,551,161.20 - Step 6: Final answer
x = 2,237,188,775.40
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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.