Finding the Fourth Proportional to 1,102,855,559.20, 1,654,283,338.80 and 982,324,740.40
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Solution
The fourth proportional to 1,102,855,559.20, 1,654,283,338.80 and 982,324,740.40 is: 1,473,487,110.60
Step by Step Solution
- Step 1: Write the proportion equation
1,102,855,559.20 : 1,654,283,338.80 = 982,324,740.40 : x - Step 2: Convert to fraction form
1,102,855,559.20/1,654,283,338.80 = 982,324,740.40/x - Step 3: Cross multiply
1,102,855,559.20x = 1,654,283,338.80 × 982,324,740.40 - Step 4: Simplify right side
1,102,855,559.20x = 1,625,043,451,334,755,072 - Step 5: Solve for x
x = 1,625,043,451,334,755,072/1,102,855,559.20 - Step 6: Final answer
x = 1,473,487,110.60
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1.5x scale
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.