Finding the Fourth Proportional to 7,647,783,106.20, 11,471,674,659.30 and 4,540,766,443.80
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Solution
The fourth proportional to 7,647,783,106.20, 11,471,674,659.30 and 4,540,766,443.80 is: 6,811,149,665.70
Step by Step Solution
- Step 1: Write the proportion equation
7,647,783,106.20 : 11,471,674,659.30 = 4,540,766,443.80 : x - Step 2: Convert to fraction form
7,647,783,106.20/11,471,674,659.30 = 4,540,766,443.80/x - Step 3: Cross multiply
7,647,783,106.20x = 11,471,674,659.30 × 4,540,766,443.80 - Step 4: Simplify right side
7,647,783,106.20x = 52,090,195,347,140,239,360 - Step 5: Solve for x
x = 52,090,195,347,140,239,360/7,647,783,106.20 - Step 6: Final answer
x = 6,811,149,665.70
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Double scale
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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.