Finding the Fourth Proportional to 329,448,192.93, 454,678,827.12 and 190,218,720.96
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Solution
The fourth proportional to 329,448,192.93, 454,678,827.12 and 190,218,720.96 is: 262,525,115.63
Step by Step Solution
- Step 1: Write the proportion equation
329,448,192.93 : 454,678,827.12 = 190,218,720.96 : x - Step 2: Convert to fraction form
329,448,192.93/454,678,827.12 = 190,218,720.96/x - Step 3: Cross multiply
329,448,192.93x = 454,678,827.12 × 190,218,720.96 - Step 4: Simplify right side
329,448,192.93x = 86,488,424,942,359,360 - Step 5: Solve for x
x = 86,488,424,942,359,360/329,448,192.93 - Step 6: Final answer
x = 262,525,115.63
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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.