Finding the Fourth Proportional to 8,372,212,510.93, 12,560,769,349.74 and 2,699,686,947.31
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Solution
The fourth proportional to 8,372,212,510.93, 12,560,769,349.74 and 2,699,686,947.31 is: 4,050,320,631.18
Step by Step Solution
- Step 1: Write the proportion equation
8,372,212,510.93 : 12,560,769,349.74 = 2,699,686,947.31 : x - Step 2: Convert to fraction form
8,372,212,510.93/12,560,769,349.74 = 2,699,686,947.31/x - Step 3: Cross multiply
8,372,212,510.93x = 12,560,769,349.74 × 2,699,686,947.31 - Step 4: Simplify right side
8,372,212,510.93x = 33,910,145,061,664,591,872 - Step 5: Solve for x
x = 33,910,145,061,664,591,872/8,372,212,510.93 - Step 6: Final answer
x = 4,050,320,631.18
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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.