Finding the Fourth Proportional to 3,606,545,340.40, 5,409,818,010.60 and 2,789,244,194.80
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Solution
The fourth proportional to 3,606,545,340.40, 5,409,818,010.60 and 2,789,244,194.80 is: 4,183,866,292.20
Step by Step Solution
- Step 1: Write the proportion equation
3,606,545,340.40 : 5,409,818,010.60 = 2,789,244,194.80 : x - Step 2: Convert to fraction form
3,606,545,340.40/5,409,818,010.60 = 2,789,244,194.80/x - Step 3: Cross multiply
3,606,545,340.40x = 5,409,818,010.60 × 2,789,244,194.80 - Step 4: Simplify right side
3,606,545,340.40x = 15,089,303,480,990,537,728 - Step 5: Solve for x
x = 15,089,303,480,990,537,728/3,606,545,340.40 - Step 6: Final answer
x = 4,183,866,292.20
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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.