Finding the Fourth Proportional to 5,367,769,611.36, 7,407,451,440.36 and 2,956,405,806.24
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Solution
The fourth proportional to 5,367,769,611.36, 7,407,451,440.36 and 2,956,405,806.24 is: 4,079,801,115.42
Step by Step Solution
- Step 1: Write the proportion equation
5,367,769,611.36 : 7,407,451,440.36 = 2,956,405,806.24 : x - Step 2: Convert to fraction form
5,367,769,611.36/7,407,451,440.36 = 2,956,405,806.24/x - Step 3: Cross multiply
5,367,769,611.36x = 7,407,451,440.36 × 2,956,405,806.24 - Step 4: Simplify right side
5,367,769,611.36x = 21,899,432,447,721,152,512 - Step 5: Solve for x
x = 21,899,432,447,721,152,512/5,367,769,611.36 - Step 6: Final answer
x = 4,079,801,115.42
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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.