Finding the Fourth Proportional to 445,841,277.18, 668,496,984.58 and 169,512,718.62
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Solution
The fourth proportional to 445,841,277.18, 668,496,984.58 and 169,512,718.62 is: 254,168,348.79
Step by Step Solution
- Step 1: Write the proportion equation
445,841,277.18 : 668,496,984.58 = 169,512,718.62 : x - Step 2: Convert to fraction form
445,841,277.18/668,496,984.58 = 169,512,718.62/x - Step 3: Cross multiply
445,841,277.18x = 668,496,984.58 × 169,512,718.62 - Step 4: Simplify right side
445,841,277.18x = 113,318,741,245,428,032 - Step 5: Solve for x
x = 113,318,741,245,428,032/445,841,277.18 - Step 6: Final answer
x = 254,168,348.79
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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.