Finding the Fourth Proportional to 1,858,563,540.96, 2,787,027,224.58 and 984,960,232.11
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Solution
The fourth proportional to 1,858,563,540.96, 2,787,027,224.58 and 984,960,232.11 is: 1,477,006,796.66
Step by Step Solution
- Step 1: Write the proportion equation
1,858,563,540.96 : 2,787,027,224.58 = 984,960,232.11 : x - Step 2: Convert to fraction form
1,858,563,540.96/2,787,027,224.58 = 984,960,232.11/x - Step 3: Cross multiply
1,858,563,540.96x = 2,787,027,224.58 × 984,960,232.11 - Step 4: Simplify right side
1,858,563,540.96x = 2,745,110,982,019,205,632 - Step 5: Solve for x
x = 2,745,110,982,019,205,632/1,858,563,540.96 - Step 6: Final answer
x = 1,477,006,796.66
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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.