Finding the Fourth Proportional to 4,720,052,478.40, 7,084,361,738.40 and 2,392,608,587.20
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Solution
The fourth proportional to 4,720,052,478.40, 7,084,361,738.40 and 2,392,608,587.20 is: 3,591,083,956.73
Step by Step Solution
- Step 1: Write the proportion equation
4,720,052,478.40 : 7,084,361,738.40 = 2,392,608,587.20 : x - Step 2: Convert to fraction form
4,720,052,478.40/7,084,361,738.40 = 2,392,608,587.20/x - Step 3: Cross multiply
4,720,052,478.40x = 7,084,361,738.40 × 2,392,608,587.20 - Step 4: Simplify right side
4,720,052,478.40x = 16,950,104,730,126,958,592 - Step 5: Solve for x
x = 16,950,104,730,126,958,592/4,720,052,478.40 - Step 6: Final answer
x = 3,591,083,956.73
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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.