Finding the Fourth Proportional to 289,744,672.05, 434,795,774.36 and 134,269,500.42
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Solution
The fourth proportional to 289,744,672.05, 434,795,774.36 and 134,269,500.42 is: 201,487,092.05
Step by Step Solution
- Step 1: Write the proportion equation
289,744,672.05 : 434,795,774.36 = 134,269,500.42 : x - Step 2: Convert to fraction form
289,744,672.05/434,795,774.36 = 134,269,500.42/x - Step 3: Cross multiply
289,744,672.05x = 434,795,774.36 × 134,269,500.42 - Step 4: Simplify right side
289,744,672.05x = 58,379,811,408,379,912 - Step 5: Solve for x
x = 58,379,811,408,379,912/289,744,672.05 - Step 6: Final answer
x = 201,487,092.05
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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.