Finding the Fourth Proportional to 2,882,305,658.90, 4,323,648,193.94 and 755,203,438.38
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Solution
The fourth proportional to 2,882,305,658.90, 4,323,648,193.94 and 755,203,438.38 is: 1,132,854,863.03
Step by Step Solution
- Step 1: Write the proportion equation
2,882,305,658.90 : 4,323,648,193.94 = 755,203,438.38 : x - Step 2: Convert to fraction form
2,882,305,658.90/4,323,648,193.94 = 755,203,438.38/x - Step 3: Cross multiply
2,882,305,658.90x = 4,323,648,193.94 × 755,203,438.38 - Step 4: Simplify right side
2,882,305,658.90x = 3,265,233,982,421,936,640 - Step 5: Solve for x
x = 3,265,233,982,421,936,640/2,882,305,658.90 - Step 6: Final answer
x = 1,132,854,863.03
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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.