Finding the Fourth Proportional to 4,392,727,796, 6,589,340,713.42 and 1,405,053,309.80
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Solution
The fourth proportional to 4,392,727,796, 6,589,340,713.42 and 1,405,053,309.80 is: 2,107,659,615.79
Step by Step Solution
- Step 1: Write the proportion equation
4,392,727,796 : 6,589,340,713.42 = 1,405,053,309.80 : x - Step 2: Convert to fraction form
4,392,727,796/6,589,340,713.42 = 1,405,053,309.80/x - Step 3: Cross multiply
4,392,727,796x = 6,589,340,713.42 × 1,405,053,309.80 - Step 4: Simplify right side
4,392,727,796x = 9,258,374,978,790,664,192 - Step 5: Solve for x
x = 9,258,374,978,790,664,192/4,392,727,796 - Step 6: Final answer
x = 2,107,659,615.79
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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.