Finding the Fourth Proportional to 2,589,632,391.20, 3,884,448,586.80 and 2,546,634,221.60
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Solution
The fourth proportional to 2,589,632,391.20, 3,884,448,586.80 and 2,546,634,221.60 is: 3,819,951,332.40
Step by Step Solution
- Step 1: Write the proportion equation
2,589,632,391.20 : 3,884,448,586.80 = 2,546,634,221.60 : x - Step 2: Convert to fraction form
2,589,632,391.20/3,884,448,586.80 = 2,546,634,221.60/x - Step 3: Cross multiply
2,589,632,391.20x = 3,884,448,586.80 × 2,546,634,221.60 - Step 4: Simplify right side
2,589,632,391.20x = 9,892,269,703,190,638,592 - Step 5: Solve for x
x = 9,892,269,703,190,638,592/2,589,632,391.20 - Step 6: Final answer
x = 3,819,951,332.40
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1.5x scale
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.