Finding the Fourth Proportional to 402,765,391.97, 555,786,194.01 and 226,519,336.71
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Solution
The fourth proportional to 402,765,391.97, 555,786,194.01 and 226,519,336.71 is: 312,579,785.98
Step by Step Solution
- Step 1: Write the proportion equation
402,765,391.97 : 555,786,194.01 = 226,519,336.71 : x - Step 2: Convert to fraction form
402,765,391.97/555,786,194.01 = 226,519,336.71/x - Step 3: Cross multiply
402,765,391.97x = 555,786,194.01 × 226,519,336.71 - Step 4: Simplify right side
402,765,391.97x = 125,896,320,019,720,576 - Step 5: Solve for x
x = 125,896,320,019,720,576/402,765,391.97 - Step 6: Final answer
x = 312,579,785.98
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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.