Finding the Fourth Proportional to 4,881,740,138.22, 6,738,235,117.83 and 3,188,453,645.82
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Solution
The fourth proportional to 4,881,740,138.22, 6,738,235,117.83 and 3,188,453,645.82 is: 4,401,002,453.95
Step by Step Solution
- Step 1: Write the proportion equation
4,881,740,138.22 : 6,738,235,117.83 = 3,188,453,645.82 : x - Step 2: Convert to fraction form
4,881,740,138.22/6,738,235,117.83 = 3,188,453,645.82/x - Step 3: Cross multiply
4,881,740,138.22x = 6,738,235,117.83 × 3,188,453,645.82 - Step 4: Simplify right side
4,881,740,138.22x = 21,484,550,327,837,421,568 - Step 5: Solve for x
x = 21,484,550,327,837,421,568/4,881,740,138.22 - Step 6: Final answer
x = 4,401,002,453.95
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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.