Finding the Fourth Proportional to 1,339,031,940.05, 1,847,737,221.94 and 744,245,797.25
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Solution
The fourth proportional to 1,339,031,940.05, 1,847,737,221.94 and 744,245,797.25 is: 1,026,988,692.89
Step by Step Solution
- Step 1: Write the proportion equation
1,339,031,940.05 : 1,847,737,221.94 = 744,245,797.25 : x - Step 2: Convert to fraction form
1,339,031,940.05/1,847,737,221.94 = 744,245,797.25/x - Step 3: Cross multiply
1,339,031,940.05x = 1,847,737,221.94 × 744,245,797.25 - Step 4: Simplify right side
1,339,031,940.05x = 1,375,170,661,856,822,272 - Step 5: Solve for x
x = 1,375,170,661,856,822,272/1,339,031,940.05 - Step 6: Final answer
x = 1,026,988,692.89
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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.