Finding the Fourth Proportional to 5,231,633,786.94, 7,219,601,909.19 and 2,852,765,713.98
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Solution
The fourth proportional to 5,231,633,786.94, 7,219,601,909.19 and 2,852,765,713.98 is: 3,936,787,939.27
Step by Step Solution
- Step 1: Write the proportion equation
5,231,633,786.94 : 7,219,601,909.19 = 2,852,765,713.98 : x - Step 2: Convert to fraction form
5,231,633,786.94/7,219,601,909.19 = 2,852,765,713.98/x - Step 3: Cross multiply
5,231,633,786.94x = 7,219,601,909.19 × 2,852,765,713.98 - Step 4: Simplify right side
5,231,633,786.94x = 20,595,832,795,121,778,688 - Step 5: Solve for x
x = 20,595,832,795,121,778,688/5,231,633,786.94 - Step 6: Final answer
x = 3,936,787,939.27
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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.