Finding the Fourth Proportional to 7,647,783,137.20, 11,471,674,705.80 and 4,540,766,474.80
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Solution
The fourth proportional to 7,647,783,137.20, 11,471,674,705.80 and 4,540,766,474.80 is: 6,811,149,712.20
Step by Step Solution
- Step 1: Write the proportion equation
7,647,783,137.20 : 11,471,674,705.80 = 4,540,766,474.80 : x - Step 2: Convert to fraction form
7,647,783,137.20/11,471,674,705.80 = 4,540,766,474.80/x - Step 3: Cross multiply
7,647,783,137.20x = 11,471,674,705.80 × 4,540,766,474.80 - Step 4: Simplify right side
7,647,783,137.20x = 52,090,195,913,907,789,824 - Step 5: Solve for x
x = 52,090,195,913,907,789,824/7,647,783,137.20 - Step 6: Final answer
x = 6,811,149,712.20
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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.