Finding the Fourth Proportional to 445,841,274.17, 668,496,980.09 and 169,512,715.62
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Solution
The fourth proportional to 445,841,274.17, 668,496,980.09 and 169,512,715.62 is: 254,168,344.31
Step by Step Solution
- Step 1: Write the proportion equation
445,841,274.17 : 668,496,980.09 = 169,512,715.62 : x - Step 2: Convert to fraction form
445,841,274.17/668,496,980.09 = 169,512,715.62/x - Step 3: Cross multiply
445,841,274.17x = 668,496,980.09 × 169,512,715.62 - Step 4: Simplify right side
445,841,274.17x = 113,318,738,477,977,424 - Step 5: Solve for x
x = 113,318,738,477,977,424/445,841,274.17 - Step 6: Final answer
x = 254,168,344.31
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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.