Finding the Fourth Proportional to 8,372,212,507.68, 12,560,769,344.87 and 2,699,686,944.05
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Solution
The fourth proportional to 8,372,212,507.68, 12,560,769,344.87 and 2,699,686,944.05 is: 4,050,320,626.30
Step by Step Solution
- Step 1: Write the proportion equation
8,372,212,507.68 : 12,560,769,344.87 = 2,699,686,944.05 : x - Step 2: Convert to fraction form
8,372,212,507.68/12,560,769,344.87 = 2,699,686,944.05/x - Step 3: Cross multiply
8,372,212,507.68x = 12,560,769,344.87 × 2,699,686,944.05 - Step 4: Simplify right side
8,372,212,507.68x = 33,910,145,007,605,809,152 - Step 5: Solve for x
x = 33,910,145,007,605,809,152/8,372,212,507.68 - Step 6: Final answer
x = 4,050,320,626.30
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1.5x scale
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.