Finding the Fourth Proportional to 370,083,906.30, 555,125,859.45 and 359,322,226.05
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Solution
The fourth proportional to 370,083,906.30, 555,125,859.45 and 359,322,226.05 is: 538,983,339.08
Step by Step Solution
- Step 1: Write the proportion equation
370,083,906.30 : 555,125,859.45 = 359,322,226.05 : x - Step 2: Convert to fraction form
370,083,906.30/555,125,859.45 = 359,322,226.05/x - Step 3: Cross multiply
370,083,906.30x = 555,125,859.45 × 359,322,226.05 - Step 4: Simplify right side
370,083,906.30x = 199,469,059,555,493,440 - Step 5: Solve for x
x = 199,469,059,555,493,440/370,083,906.30 - Step 6: Final answer
x = 538,983,339.08
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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.