Finding the Fourth Proportional to 4,660,416,190.80, 6,990,624,286.20 and 1,898,539,621.20
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Solution
The fourth proportional to 4,660,416,190.80, 6,990,624,286.20 and 1,898,539,621.20 is: 2,847,809,431.80
Step by Step Solution
- Step 1: Write the proportion equation
4,660,416,190.80 : 6,990,624,286.20 = 1,898,539,621.20 : x - Step 2: Convert to fraction form
4,660,416,190.80/6,990,624,286.20 = 1,898,539,621.20/x - Step 3: Cross multiply
4,660,416,190.80x = 6,990,624,286.20 × 1,898,539,621.20 - Step 4: Simplify right side
4,660,416,190.80x = 13,271,977,184,273,668,096 - Step 5: Solve for x
x = 13,271,977,184,273,668,096/4,660,416,190.80 - Step 6: Final answer
x = 2,847,809,431.80
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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.