Finding the Fourth Proportional to 8,274,743,806.80, 12,418,162,327.80 and 5,825,863,678.80
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Solution
The fourth proportional to 8,274,743,806.80, 12,418,162,327.80 and 5,825,863,678.80 is: 8,743,052,661.46
Step by Step Solution
- Step 1: Write the proportion equation
8,274,743,806.80 : 12,418,162,327.80 = 5,825,863,678.80 : x - Step 2: Convert to fraction form
8,274,743,806.80/12,418,162,327.80 = 5,825,863,678.80/x - Step 3: Cross multiply
8,274,743,806.80x = 12,418,162,327.80 × 5,825,863,678.80 - Step 4: Simplify right side
8,274,743,806.80x = 72,346,520,862,972,477,440 - Step 5: Solve for x
x = 72,346,520,862,972,477,440/8,274,743,806.80 - Step 6: Final answer
x = 8,743,052,661.46
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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.