Finding the Fourth Proportional to 3,479,229,863.98, 4,801,337,922.63 and 1,914,667,559.98
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Solution
The fourth proportional to 3,479,229,863.98, 4,801,337,922.63 and 1,914,667,559.98 is: 2,642,241,623.68
Step by Step Solution
- Step 1: Write the proportion equation
3,479,229,863.98 : 4,801,337,922.63 = 1,914,667,559.98 : x - Step 2: Convert to fraction form
3,479,229,863.98/4,801,337,922.63 = 1,914,667,559.98/x - Step 3: Cross multiply
3,479,229,863.98x = 4,801,337,922.63 × 1,914,667,559.98 - Step 4: Simplify right side
3,479,229,863.98x = 9,192,965,964,961,424,384 - Step 5: Solve for x
x = 9,192,965,964,961,424,384/3,479,229,863.98 - Step 6: Final answer
x = 2,642,241,623.68
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1.5x scale
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.