Finding the Fourth Proportional to 2,129,205,627.20, 3,193,808,440.80 and 2,100,540,180.80
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Solution
The fourth proportional to 2,129,205,627.20, 3,193,808,440.80 and 2,100,540,180.80 is: 3,150,810,271.20
Step by Step Solution
- Step 1: Write the proportion equation
2,129,205,627.20 : 3,193,808,440.80 = 2,100,540,180.80 : x - Step 2: Convert to fraction form
2,129,205,627.20/3,193,808,440.80 = 2,100,540,180.80/x - Step 3: Cross multiply
2,129,205,627.20x = 3,193,808,440.80 × 2,100,540,180.80 - Step 4: Simplify right side
2,129,205,627.20x = 6,708,722,959,678,598,144 - Step 5: Solve for x
x = 6,708,722,959,678,598,144/2,129,205,627.20 - Step 6: Final answer
x = 3,150,810,271.20
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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.