Finding the Fourth Proportional to 1,451,711,720,739.80, 2,003,351,983,284.20 and 792,517,797,067.26
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Solution
The fourth proportional to 1,451,711,720,739.80, 2,003,351,983,284.20 and 792,517,797,067.26 is: 1,093,668,996,302.95
Step by Step Solution
- Step 1: Write the proportion equation
1,451,711,720,739.80 : 2,003,351,983,284.20 = 792,517,797,067.26 : x - Step 2: Convert to fraction form
1,451,711,720,739.80/2,003,351,983,284.20 = 792,517,797,067.26/x - Step 3: Cross multiply
1,451,711,720,739.80x = 2,003,351,983,284.20 × 792,517,797,067.26 - Step 4: Simplify right side
1,451,711,720,739.80x = 1,587,692,100,542,720,360,054,784 - Step 5: Solve for x
x = 1,587,692,100,542,720,360,054,784/1,451,711,720,739.80 - Step 6: Final answer
x = 1,093,668,996,302.95
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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.