Finding the Fourth Proportional to 324,970,952.54, 448,342,223.91 and 213,521,819.18
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Solution
The fourth proportional to 324,970,952.54, 448,342,223.91 and 213,521,819.18 is: 294,582,781.99
Step by Step Solution
- Step 1: Write the proportion equation
324,970,952.54 : 448,342,223.91 = 213,521,819.18 : x - Step 2: Convert to fraction form
324,970,952.54/448,342,223.91 = 213,521,819.18/x - Step 3: Cross multiply
324,970,952.54x = 448,342,223.91 × 213,521,819.18 - Step 4: Simplify right side
324,970,952.54x = 95,730,847,264,470,096 - Step 5: Solve for x
x = 95,730,847,264,470,096/324,970,952.54 - Step 6: Final answer
x = 294,582,781.99
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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.