Finding the Fourth Proportional to 753,763,863.24, 1,040,121,260.02 and 436,160,755.73
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Solution
The fourth proportional to 753,763,863.24, 1,040,121,260.02 and 436,160,755.73 is: 601,859,676.41
Step by Step Solution
- Step 1: Write the proportion equation
753,763,863.24 : 1,040,121,260.02 = 436,160,755.73 : x - Step 2: Convert to fraction form
753,763,863.24/1,040,121,260.02 = 436,160,755.73/x - Step 3: Cross multiply
753,763,863.24x = 1,040,121,260.02 × 436,160,755.73 - Step 4: Simplify right side
753,763,863.24x = 453,660,074,821,163,072 - Step 5: Solve for x
x = 453,660,074,821,163,072/753,763,863.24 - Step 6: Final answer
x = 601,859,676.41
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1.5x scale
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.