Finding the Fourth Proportional to 3,250,393,691.04, 4,485,819,939.48 and 1,840,948,386.12
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Solution
The fourth proportional to 3,250,393,691.04, 4,485,819,939.48 and 1,840,948,386.12 is: 2,540,665,458.70
Step by Step Solution
- Step 1: Write the proportion equation
3,250,393,691.04 : 4,485,819,939.48 = 1,840,948,386.12 : x - Step 2: Convert to fraction form
3,250,393,691.04/4,485,819,939.48 = 1,840,948,386.12/x - Step 3: Cross multiply
3,250,393,691.04x = 4,485,819,939.48 × 1,840,948,386.12 - Step 4: Simplify right side
3,250,393,691.04x = 8,258,162,978,010,620,928 - Step 5: Solve for x
x = 8,258,162,978,010,620,928/3,250,393,691.04 - Step 6: Final answer
x = 2,540,665,458.70
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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.