Finding the Fourth Proportional to 7,071,119,614.84, 9,758,380,640.94 and 3,856,205,015.14
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Solution
The fourth proportional to 7,071,119,614.84, 9,758,380,640.94 and 3,856,205,015.14 is: 5,321,691,389.33
Step by Step Solution
- Step 1: Write the proportion equation
7,071,119,614.84 : 9,758,380,640.94 = 3,856,205,015.14 : x - Step 2: Convert to fraction form
7,071,119,614.84/9,758,380,640.94 = 3,856,205,015.14/x - Step 3: Cross multiply
7,071,119,614.84x = 9,758,380,640.94 × 3,856,205,015.14 - Step 4: Simplify right side
7,071,119,614.84x = 37,630,316,367,237,914,624 - Step 5: Solve for x
x = 37,630,316,367,237,914,624/7,071,119,614.84 - Step 6: Final answer
x = 5,321,691,389.33
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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.