Finding the Fourth Proportional to 6,268,782,865.78, 8,650,660,987.56 and 3,410,936,842.11
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Solution
The fourth proportional to 6,268,782,865.78, 8,650,660,987.56 and 3,410,936,842.11 is: 4,706,951,716.60
Step by Step Solution
- Step 1: Write the proportion equation
6,268,782,865.78 : 8,650,660,987.56 = 3,410,936,842.11 : x - Step 2: Convert to fraction form
6,268,782,865.78/8,650,660,987.56 = 3,410,936,842.11/x - Step 3: Cross multiply
6,268,782,865.78x = 8,650,660,987.56 × 3,410,936,842.11 - Step 4: Simplify right side
6,268,782,865.78x = 29,506,858,271,072,079,872 - Step 5: Solve for x
x = 29,506,858,271,072,079,872/6,268,782,865.78 - Step 6: Final answer
x = 4,706,951,716.60
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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.