Finding the Fourth Proportional to 352,764,755.24, 486,842,631.05 and 211,641,286.59
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Solution
The fourth proportional to 352,764,755.24, 486,842,631.05 and 211,641,286.59 is: 292,081,335.43
Step by Step Solution
- Step 1: Write the proportion equation
352,764,755.24 : 486,842,631.05 = 211,641,286.59 : x - Step 2: Convert to fraction form
352,764,755.24/486,842,631.05 = 211,641,286.59/x - Step 3: Cross multiply
352,764,755.24x = 486,842,631.05 × 211,641,286.59 - Step 4: Simplify right side
352,764,755.24x = 103,036,000,802,811,792 - Step 5: Solve for x
x = 103,036,000,802,811,792/352,764,755.24 - Step 6: Final answer
x = 292,081,335.43
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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.