Finding the Fourth Proportional to 352,440,470.00, 486,339,334.33 and 203,771,129.65
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Solution
The fourth proportional to 352,440,470.00, 486,339,334.33 and 203,771,129.65 is: 281,187,672.77
Step by Step Solution
- Step 1: Write the proportion equation
352,440,470.00 : 486,339,334.33 = 203,771,129.65 : x - Step 2: Convert to fraction form
352,440,470.00/486,339,334.33 = 203,771,129.65/x - Step 3: Cross multiply
352,440,470.00x = 486,339,334.33 × 203,771,129.65 - Step 4: Simplify right side
352,440,470.00x = 99,101,915,548,055,152 - Step 5: Solve for x
x = 99,101,915,548,055,152/352,440,470.00 - Step 6: Final answer
x = 281,187,672.77
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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.