Finding the Fourth Proportional to 1,192,801,519.26, 1,788,603,556.05 and 694,973,173.50
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Solution
The fourth proportional to 1,192,801,519.26, 1,788,603,556.05 and 694,973,173.50 is: 1,042,110,920.73
Step by Step Solution
- Step 1: Write the proportion equation
1,192,801,519.26 : 1,788,603,556.05 = 694,973,173.50 : x - Step 2: Convert to fraction form
1,192,801,519.26/1,788,603,556.05 = 694,973,173.50/x - Step 3: Cross multiply
1,192,801,519.26x = 1,788,603,556.05 × 694,973,173.50 - Step 4: Simplify right side
1,192,801,519.26x = 1,243,031,489,481,453,568 - Step 5: Solve for x
x = 1,243,031,489,481,453,568/1,192,801,519.26 - Step 6: Final answer
x = 1,042,110,920.73
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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.