Finding the Fourth Proportional to 1,120,337,063.37, 1,546,067,286.96 and 618,546,817.97
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Solution
The fourth proportional to 1,120,337,063.37, 1,546,067,286.96 and 618,546,817.97 is: 853,595,790.03
Step by Step Solution
- Step 1: Write the proportion equation
1,120,337,063.37 : 1,546,067,286.96 = 618,546,817.97 : x - Step 2: Convert to fraction form
1,120,337,063.37/1,546,067,286.96 = 618,546,817.97/x - Step 3: Cross multiply
1,120,337,063.37x = 1,546,067,286.96 × 618,546,817.97 - Step 4: Simplify right side
1,120,337,063.37x = 956,315,000,712,397,696 - Step 5: Solve for x
x = 956,315,000,712,397,696/1,120,337,063.37 - Step 6: Final answer
x = 853,595,790.03
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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.