Finding the Fourth Proportional to 4,659,311,781, 6,425,591,832.90 and 3,642,171,585.84
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Solution
The fourth proportional to 4,659,311,781, 6,425,591,832.90 and 3,642,171,585.84 is: 5,022,867,989.09
Step by Step Solution
- Step 1: Write the proportion equation
4,659,311,781 : 6,425,591,832.90 = 3,642,171,585.84 : x - Step 2: Convert to fraction form
4,659,311,781/6,425,591,832.90 = 3,642,171,585.84/x - Step 3: Cross multiply
4,659,311,781x = 6,425,591,832.90 × 3,642,171,585.84 - Step 4: Simplify right side
4,659,311,781x = 23,403,107,995,993,944,064 - Step 5: Solve for x
x = 23,403,107,995,993,944,064/4,659,311,781 - Step 6: Final answer
x = 5,022,867,989.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.