Finding the Fourth Proportional to 296,115,067.23, 408,661,799.91 and 163,968,358.79
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Solution
The fourth proportional to 296,115,067.23, 408,661,799.91 and 163,968,358.79 is: 226,289,074.91
Step by Step Solution
- Step 1: Write the proportion equation
296,115,067.23 : 408,661,799.91 = 163,968,358.79 : x - Step 2: Convert to fraction form
296,115,067.23/408,661,799.91 = 163,968,358.79/x - Step 3: Cross multiply
296,115,067.23x = 408,661,799.91 × 163,968,358.79 - Step 4: Simplify right side
296,115,067.23x = 67,007,604,631,129,368 - Step 5: Solve for x
x = 67,007,604,631,129,368/296,115,067.23 - Step 6: Final answer
x = 226,289,074.91
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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.