Finding the Fourth Proportional to 622,172,959.92, 932,607,540.92 and 289,906,032.99
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Solution
The fourth proportional to 622,172,959.92, 932,607,540.92 and 289,906,032.99 is: 434,555,292.40
Step by Step Solution
- Step 1: Write the proportion equation
622,172,959.92 : 932,607,540.92 = 289,906,032.99 : x - Step 2: Convert to fraction form
622,172,959.92/932,607,540.92 = 289,906,032.99/x - Step 3: Cross multiply
622,172,959.92x = 932,607,540.92 × 289,906,032.99 - Step 4: Simplify right side
622,172,959.92x = 270,368,552,523,226,752 - Step 5: Solve for x
x = 270,368,552,523,226,752/622,172,959.92 - Step 6: Final answer
x = 434,555,292.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.