Finding the Fourth Proportional to 1,644,147,586.80, 2,466,221,380.20 and 1,334,211,195.60
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Solution
The fourth proportional to 1,644,147,586.80, 2,466,221,380.20 and 1,334,211,195.60 is: 2,001,316,793.40
Step by Step Solution
- Step 1: Write the proportion equation
1,644,147,586.80 : 2,466,221,380.20 = 1,334,211,195.60 : x - Step 2: Convert to fraction form
1,644,147,586.80/2,466,221,380.20 = 1,334,211,195.60/x - Step 3: Cross multiply
1,644,147,586.80x = 2,466,221,380.20 × 1,334,211,195.60 - Step 4: Simplify right side
1,644,147,586.80x = 3,290,460,176,290,923,520 - Step 5: Solve for x
x = 3,290,460,176,290,923,520/1,644,147,586.80 - Step 6: Final answer
x = 2,001,316,793.40
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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.