Finding the Fourth Proportional to 5,118,556,620.27, 7,063,634,256.27 and 2,860,533,833.54
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Solution
The fourth proportional to 5,118,556,620.27, 7,063,634,256.27 and 2,860,533,833.54 is: 3,947,551,287.75
Step by Step Solution
- Step 1: Write the proportion equation
5,118,556,620.27 : 7,063,634,256.27 = 2,860,533,833.54 : x - Step 2: Convert to fraction form
5,118,556,620.27/7,063,634,256.27 = 2,860,533,833.54/x - Step 3: Cross multiply
5,118,556,620.27x = 7,063,634,256.27 × 2,860,533,833.54 - Step 4: Simplify right side
5,118,556,620.27x = 20,205,764,777,777,172,480 - Step 5: Solve for x
x = 20,205,764,777,777,172,480/5,118,556,620.27 - Step 6: Final answer
x = 3,947,551,287.75
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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.