Finding the Fourth Proportional to 3,968,998,452.90, 5,954,394,597.48 and 1,313,048,300.04
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Solution
The fourth proportional to 3,968,998,452.90, 5,954,394,597.48 and 1,313,048,300.04 is: 1,969,869,173.99
Step by Step Solution
- Step 1: Write the proportion equation
3,968,998,452.90 : 5,954,394,597.48 = 1,313,048,300.04 : x - Step 2: Convert to fraction form
3,968,998,452.90/5,954,394,597.48 = 1,313,048,300.04/x - Step 3: Cross multiply
3,968,998,452.90x = 5,954,394,597.48 × 1,313,048,300.04 - Step 4: Simplify right side
3,968,998,452.90x = 7,818,407,703,988,472,832 - Step 5: Solve for x
x = 7,818,407,703,988,472,832/3,968,998,452.90 - Step 6: Final answer
x = 1,969,869,173.99
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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.