Finding the Fourth Proportional to 299,558,266.40, 449,337,399.60 and 266,115,245.60
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Solution
The fourth proportional to 299,558,266.40, 449,337,399.60 and 266,115,245.60 is: 399,172,868.40
Step by Step Solution
- Step 1: Write the proportion equation
299,558,266.40 : 449,337,399.60 = 266,115,245.60 : x - Step 2: Convert to fraction form
299,558,266.40/449,337,399.60 = 266,115,245.60/x - Step 3: Cross multiply
299,558,266.40x = 449,337,399.60 × 266,115,245.60 - Step 4: Simplify right side
299,558,266.40x = 119,575,532,451,819,344 - Step 5: Solve for x
x = 119,575,532,451,819,344/299,558,266.40 - Step 6: Final answer
x = 399,172,868.40
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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.