Finding the Fourth Proportional to 351,303,358.97, 484,801,522.99 and 194,673,081.65
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Solution
The fourth proportional to 351,303,358.97, 484,801,522.99 and 194,673,081.65 is: 268,650,452.82
Step by Step Solution
- Step 1: Write the proportion equation
351,303,358.97 : 484,801,522.99 = 194,673,081.65 : x - Step 2: Convert to fraction form
351,303,358.97/484,801,522.99 = 194,673,081.65/x - Step 3: Cross multiply
351,303,358.97x = 484,801,522.99 × 194,673,081.65 - Step 4: Simplify right side
351,303,358.97x = 94,377,806,466,165,936 - Step 5: Solve for x
x = 94,377,806,466,165,936/351,303,358.97 - Step 6: Final answer
x = 268,650,452.82
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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.