Finding the Fourth Proportional to 12,132,178,840.20, 18,198,268,260.30 and 10,777,736,497.80
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Solution
The fourth proportional to 12,132,178,840.20, 18,198,268,260.30 and 10,777,736,497.80 is: 16,166,604,746.70
Step by Step Solution
- Step 1: Write the proportion equation
12,132,178,840.20 : 18,198,268,260.30 = 10,777,736,497.80 : x - Step 2: Convert to fraction form
12,132,178,840.20/18,198,268,260.30 = 10,777,736,497.80/x - Step 3: Cross multiply
12,132,178,840.20x = 18,198,268,260.30 × 10,777,736,497.80 - Step 4: Simplify right side
12,132,178,840.20x = 196,136,140,025,790,595,072 - Step 5: Solve for x
x = 196,136,140,025,790,595,072/12,132,178,840.20 - Step 6: Final answer
x = 16,166,604,746.70
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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.