Finding the Fourth Proportional to 5,105,979,840.84, 7,661,296,901.06 and 2,620,586,117.84
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Solution
The fourth proportional to 5,105,979,840.84, 7,661,296,901.06 and 2,620,586,117.84 is: 3,932,073,554.81
Step by Step Solution
- Step 1: Write the proportion equation
5,105,979,840.84 : 7,661,296,901.06 = 2,620,586,117.84 : x - Step 2: Convert to fraction form
5,105,979,840.84/7,661,296,901.06 = 2,620,586,117.84/x - Step 3: Cross multiply
5,105,979,840.84x = 7,661,296,901.06 × 2,620,586,117.84 - Step 4: Simplify right side
5,105,979,840.84x = 20,077,088,303,568,449,536 - Step 5: Solve for x
x = 20,077,088,303,568,449,536/5,105,979,840.84 - Step 6: Final answer
x = 3,932,073,554.81
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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.