Finding the Fourth Proportional to 4,576,176,986.80, 6,864,265,480.20 and 3,474,180,929.20
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Solution
The fourth proportional to 4,576,176,986.80, 6,864,265,480.20 and 3,474,180,929.20 is: 5,211,271,393.80
Step by Step Solution
- Step 1: Write the proportion equation
4,576,176,986.80 : 6,864,265,480.20 = 3,474,180,929.20 : x - Step 2: Convert to fraction form
4,576,176,986.80/6,864,265,480.20 = 3,474,180,929.20/x - Step 3: Cross multiply
4,576,176,986.80x = 6,864,265,480.20 × 3,474,180,929.20 - Step 4: Simplify right side
4,576,176,986.80x = 23,847,700,224,276,717,568 - Step 5: Solve for x
x = 23,847,700,224,276,717,568/4,576,176,986.80 - Step 6: Final answer
x = 5,211,271,393.80
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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.