Finding the Fourth Proportional to 463,584,491.48, 639,107,346.24 and 369,816,894.08
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Solution
The fourth proportional to 463,584,491.48, 639,107,346.24 and 369,816,894.08 is: 509,837,361.07
Step by Step Solution
- Step 1: Write the proportion equation
463,584,491.48 : 639,107,346.24 = 369,816,894.08 : x - Step 2: Convert to fraction form
463,584,491.48/639,107,346.24 = 369,816,894.08/x - Step 3: Cross multiply
463,584,491.48x = 639,107,346.24 × 369,816,894.08 - Step 4: Simplify right side
463,584,491.48x = 236,352,693,770,187,968 - Step 5: Solve for x
x = 236,352,693,770,187,968/463,584,491.48 - Step 6: Final answer
x = 509,837,361.07
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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.