Finding the Fourth Proportional to 3,203,278,318.60, 4,803,165,867.23 and 2,543,530,358.05
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Solution
The fourth proportional to 3,203,278,318.60, 4,803,165,867.23 and 2,543,530,358.05 is: 3,813,904,688.55
Step by Step Solution
- Step 1: Write the proportion equation
3,203,278,318.60 : 4,803,165,867.23 = 2,543,530,358.05 : x - Step 2: Convert to fraction form
3,203,278,318.60/4,803,165,867.23 = 2,543,530,358.05/x - Step 3: Cross multiply
3,203,278,318.60x = 4,803,165,867.23 × 2,543,530,358.05 - Step 4: Simplify right side
3,203,278,318.60x = 12,216,998,198,036,344,832 - Step 5: Solve for x
x = 12,216,998,198,036,344,832/3,203,278,318.60 - Step 6: Final answer
x = 3,813,904,688.55
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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.