Finding the Fourth Proportional to 4,720,702,914.08, 6,515,422,768.69 and 2,815,586,491.04
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Solution
The fourth proportional to 4,720,702,914.08, 6,515,422,768.69 and 2,815,586,491.04 is: 3,886,017,964.87
Step by Step Solution
- Step 1: Write the proportion equation
4,720,702,914.08 : 6,515,422,768.69 = 2,815,586,491.04 : x - Step 2: Convert to fraction form
4,720,702,914.08/6,515,422,768.69 = 2,815,586,491.04/x - Step 3: Cross multiply
4,720,702,914.08x = 6,515,422,768.69 × 2,815,586,491.04 - Step 4: Simplify right side
4,720,702,914.08x = 18,344,736,330,898,380,800 - Step 5: Solve for x
x = 18,344,736,330,898,380,800/4,720,702,914.08 - Step 6: Final answer
x = 3,886,017,964.87
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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.