Finding the Fourth Proportional to 331,279,358.70, 496,914,372.45 and 149,526,245.10
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Solution
The fourth proportional to 331,279,358.70, 496,914,372.45 and 149,526,245.10 is: 224,287,261.78
Step by Step Solution
- Step 1: Write the proportion equation
331,279,358.70 : 496,914,372.45 = 149,526,245.10 : x - Step 2: Convert to fraction form
331,279,358.70/496,914,372.45 = 149,526,245.10/x - Step 3: Cross multiply
331,279,358.70x = 496,914,372.45 × 149,526,245.10 - Step 4: Simplify right side
331,279,358.70x = 74,301,740,248,671,376 - Step 5: Solve for x
x = 74,301,740,248,671,376/331,279,358.70 - Step 6: Final answer
x = 224,287,261.78
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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.