Finding the Fourth Proportional to 3,743,102,121.85, 5,605,740,115.35 and 2,165,885,491.45
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Solution
The fourth proportional to 3,743,102,121.85, 5,605,740,115.35 and 2,165,885,491.45 is: 3,243,670,834.90
Step by Step Solution
- Step 1: Write the proportion equation
3,743,102,121.85 : 5,605,740,115.35 = 2,165,885,491.45 : x - Step 2: Convert to fraction form
3,743,102,121.85/5,605,740,115.35 = 2,165,885,491.45/x - Step 3: Cross multiply
3,743,102,121.85x = 5,605,740,115.35 × 2,165,885,491.45 - Step 4: Simplify right side
3,743,102,121.85x = 12,141,391,184,691,767,296 - Step 5: Solve for x
x = 12,141,391,184,691,767,296/3,743,102,121.85 - Step 6: Final answer
x = 3,243,670,834.90
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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.