Finding the Fourth Proportional to 434,376,882.74, 598,877,453.53 and 281,341,125.74
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Solution
The fourth proportional to 434,376,882.74, 598,877,453.53 and 281,341,125.74 is: 387,886,334.77
Step by Step Solution
- Step 1: Write the proportion equation
434,376,882.74 : 598,877,453.53 = 281,341,125.74 : x - Step 2: Convert to fraction form
434,376,882.74/598,877,453.53 = 281,341,125.74/x - Step 3: Cross multiply
434,376,882.74x = 598,877,453.53 × 281,341,125.74 - Step 4: Simplify right side
434,376,882.74x = 168,488,856,956,434,720 - Step 5: Solve for x
x = 168,488,856,956,434,720/434,376,882.74 - Step 6: Final answer
x = 387,886,334.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.