Finding the Fourth Proportional to 1,945,857,418.70, 2,923,442,537.18 and 1,247,717,368.94
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Solution
The fourth proportional to 1,945,857,418.70, 2,923,442,537.18 and 1,247,717,368.94 is: 1,874,561,823.32
Step by Step Solution
- Step 1: Write the proportion equation
1,945,857,418.70 : 2,923,442,537.18 = 1,247,717,368.94 : x - Step 2: Convert to fraction form
1,945,857,418.70/2,923,442,537.18 = 1,247,717,368.94/x - Step 3: Cross multiply
1,945,857,418.70x = 2,923,442,537.18 × 1,247,717,368.94 - Step 4: Simplify right side
1,945,857,418.70x = 3,647,630,030,716,652,032 - Step 5: Solve for x
x = 3,647,630,030,716,652,032/1,945,857,418.70 - Step 6: Final answer
x = 1,874,561,823.32
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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.