Finding the Fourth Proportional to 3,393,125,846.40, 5,089,688,769.60 and 3,148,237,833.60
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Solution
The fourth proportional to 3,393,125,846.40, 5,089,688,769.60 and 3,148,237,833.60 is: 4,722,356,750.40
Step by Step Solution
- Step 1: Write the proportion equation
3,393,125,846.40 : 5,089,688,769.60 = 3,148,237,833.60 : x - Step 2: Convert to fraction form
3,393,125,846.40/5,089,688,769.60 = 3,148,237,833.60/x - Step 3: Cross multiply
3,393,125,846.40x = 5,089,688,769.60 × 3,148,237,833.60 - Step 4: Simplify right side
3,393,125,846.40x = 16,023,550,745,703,753,728 - Step 5: Solve for x
x = 16,023,550,745,703,753,728/3,393,125,846.40 - Step 6: Final answer
x = 4,722,356,750.40
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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.