Finding the Fourth Proportional to 8,079,982,374.24, 12,109,259,010.96 and 4,149,529,768.80
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Solution
The fourth proportional to 8,079,982,374.24, 12,109,259,010.96 and 4,149,529,768.80 is: 6,218,792,123.15
Step by Step Solution
- Step 1: Write the proportion equation
8,079,982,374.24 : 12,109,259,010.96 = 4,149,529,768.80 : x - Step 2: Convert to fraction form
8,079,982,374.24/12,109,259,010.96 = 4,149,529,768.80/x - Step 3: Cross multiply
8,079,982,374.24x = 12,109,259,010.96 × 4,149,529,768.80 - Step 4: Simplify right side
8,079,982,374.24x = 50,247,730,744,088,166,400 - Step 5: Solve for x
x = 50,247,730,744,088,166,400/8,079,982,374.24 - Step 6: Final answer
x = 6,218,792,123.15
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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.