Finding the Fourth Proportional to 1,945,857,420.70, 2,923,442,540.18 and 1,247,717,370.94
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Solution
The fourth proportional to 1,945,857,420.70, 2,923,442,540.18 and 1,247,717,370.94 is: 1,874,561,826.33
Step by Step Solution
- Step 1: Write the proportion equation
1,945,857,420.70 : 2,923,442,540.18 = 1,247,717,370.94 : x - Step 2: Convert to fraction form
1,945,857,420.70/2,923,442,540.18 = 1,247,717,370.94/x - Step 3: Cross multiply
1,945,857,420.70x = 2,923,442,540.18 × 1,247,717,370.94 - Step 4: Simplify right side
1,945,857,420.70x = 3,647,630,040,327,544,832 - Step 5: Solve for x
x = 3,647,630,040,327,544,832/1,945,857,420.70 - Step 6: Final answer
x = 1,874,561,826.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.