Finding the Fourth Proportional to 394,174,660.23, 591,295,622.76 and 103,041,316.62
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Solution
The fourth proportional to 394,174,660.23, 591,295,622.76 and 103,041,316.62 is: 154,570,766.79
Step by Step Solution
- Step 1: Write the proportion equation
394,174,660.23 : 591,295,622.76 = 103,041,316.62 : x - Step 2: Convert to fraction form
394,174,660.23/591,295,622.76 = 103,041,316.62/x - Step 3: Cross multiply
394,174,660.23x = 591,295,622.76 × 103,041,316.62 - Step 4: Simplify right side
394,174,660.23x = 60,927,879,480,833,240 - Step 5: Solve for x
x = 60,927,879,480,833,240/394,174,660.23 - Step 6: Final answer
x = 154,570,766.79
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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.