Finding the Fourth Proportional to 3,964,315,066.18, 5,469,206,493.18 and 2,269,864,207.78
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Solution
The fourth proportional to 3,964,315,066.18, 5,469,206,493.18 and 2,269,864,207.78 is: 3,131,526,091.29
Step by Step Solution
- Step 1: Write the proportion equation
3,964,315,066.18 : 5,469,206,493.18 = 2,269,864,207.78 : x - Step 2: Convert to fraction form
3,964,315,066.18/5,469,206,493.18 = 2,269,864,207.78/x - Step 3: Cross multiply
3,964,315,066.18x = 5,469,206,493.18 × 2,269,864,207.78 - Step 4: Simplify right side
3,964,315,066.18x = 12,414,356,063,827,255,296 - Step 5: Solve for x
x = 12,414,356,063,827,255,296/3,964,315,066.18 - Step 6: Final answer
x = 3,131,526,091.29
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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.