Finding the Fourth Proportional to 4,846,028,775.38, 6,687,519,722.85 and 2,618,360,963.54
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Solution
The fourth proportional to 4,846,028,775.38, 6,687,519,722.85 and 2,618,360,963.54 is: 3,613,338,136.62
Step by Step Solution
- Step 1: Write the proportion equation
4,846,028,775.38 : 6,687,519,722.85 = 2,618,360,963.54 : x - Step 2: Convert to fraction form
4,846,028,775.38/6,687,519,722.85 = 2,618,360,963.54/x - Step 3: Cross multiply
4,846,028,775.38x = 6,687,519,722.85 × 2,618,360,963.54 - Step 4: Simplify right side
4,846,028,775.38x = 17,510,340,585,214,279,680 - Step 5: Solve for x
x = 17,510,340,585,214,279,680/4,846,028,775.38 - Step 6: Final answer
x = 3,613,338,136.62
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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.