Finding the Fourth Proportional to 324,970,896.66, 448,342,147.08 and 213,521,763.03
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Solution
The fourth proportional to 324,970,896.66, 448,342,147.08 and 213,521,763.03 is: 294,582,704.69
Step by Step Solution
- Step 1: Write the proportion equation
324,970,896.66 : 448,342,147.08 = 213,521,763.03 : x - Step 2: Convert to fraction form
324,970,896.66/448,342,147.08 = 213,521,763.03/x - Step 3: Cross multiply
324,970,896.66x = 448,342,147.08 × 213,521,763.03 - Step 4: Simplify right side
324,970,896.66x = 95,730,805,685,177,168 - Step 5: Solve for x
x = 95,730,805,685,177,168/324,970,896.66 - Step 6: Final answer
x = 294,582,704.69
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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.