Finding the Fourth Proportional to 8,274,744,910.80, 12,418,163,983.80 and 5,825,864,782.80
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Solution
The fourth proportional to 8,274,744,910.80, 12,418,163,983.80 and 5,825,864,782.80 is: 8,743,054,317.70
Step by Step Solution
- Step 1: Write the proportion equation
8,274,744,910.80 : 12,418,163,983.80 = 5,825,864,782.80 : x - Step 2: Convert to fraction form
8,274,744,910.80/12,418,163,983.80 = 5,825,864,782.80/x - Step 3: Cross multiply
8,274,744,910.80x = 12,418,163,983.80 × 5,825,864,782.80 - Step 4: Simplify right side
8,274,744,910.80x = 72,346,544,220,255,764,480 - Step 5: Solve for x
x = 72,346,544,220,255,764,480/8,274,744,910.80 - Step 6: Final answer
x = 8,743,054,317.70
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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.