Finding the Fourth Proportional to 3,678,541,207.57, 5,083,027,187.95 and 2,619,430,453.97
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Solution
The fourth proportional to 3,678,541,207.57, 5,083,027,187.95 and 2,619,430,453.97 is: 3,619,542,493.39
Step by Step Solution
- Step 1: Write the proportion equation
3,678,541,207.57 : 5,083,027,187.95 = 2,619,430,453.97 : x - Step 2: Convert to fraction form
3,678,541,207.57/5,083,027,187.95 = 2,619,430,453.97/x - Step 3: Cross multiply
3,678,541,207.57x = 5,083,027,187.95 × 2,619,430,453.97 - Step 4: Simplify right side
3,678,541,207.57x = 13,314,636,214,473,719,808 - Step 5: Solve for x
x = 13,314,636,214,473,719,808/3,678,541,207.57 - Step 6: Final answer
x = 3,619,542,493.39
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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.