Finding the Fourth Proportional to 2,391,775,793.10, 3,587,663,689.65 and 2,198,284,029.90
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Solution
The fourth proportional to 2,391,775,793.10, 3,587,663,689.65 and 2,198,284,029.90 is: 3,297,426,044.85
Step by Step Solution
- Step 1: Write the proportion equation
2,391,775,793.10 : 3,587,663,689.65 = 2,198,284,029.90 : x - Step 2: Convert to fraction form
2,391,775,793.10/3,587,663,689.65 = 2,198,284,029.90/x - Step 3: Cross multiply
2,391,775,793.10x = 3,587,663,689.65 × 2,198,284,029.90 - Step 4: Simplify right side
2,391,775,793.10x = 7,886,703,793,609,705,472 - Step 5: Solve for x
x = 7,886,703,793,609,705,472/2,391,775,793.10 - Step 6: Final answer
x = 3,297,426,044.85
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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.