Finding the Fourth Proportional to 327,492,746.70, 491,097,402.45 and 133,339,634.70
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Solution
The fourth proportional to 327,492,746.70, 491,097,402.45 and 133,339,634.70 is: 199,951,751.31
Step by Step Solution
- Step 1: Write the proportion equation
327,492,746.70 : 491,097,402.45 = 133,339,634.70 : x - Step 2: Convert to fraction form
327,492,746.70/491,097,402.45 = 133,339,634.70/x - Step 3: Cross multiply
327,492,746.70x = 491,097,402.45 × 133,339,634.70 - Step 4: Simplify right side
327,492,746.70x = 65,482,748,244,801,888 - Step 5: Solve for x
x = 65,482,748,244,801,888/327,492,746.70 - Step 6: Final answer
x = 199,951,751.31
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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.