Finding the Fourth Proportional to 1,597,485,724.40, 2,395,094,845.80 and 614,532,450.80
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Solution
The fourth proportional to 1,597,485,724.40, 2,395,094,845.80 and 614,532,450.80 is: 921,362,540.53
Step by Step Solution
- Step 1: Write the proportion equation
1,597,485,724.40 : 2,395,094,845.80 = 614,532,450.80 : x - Step 2: Convert to fraction form
1,597,485,724.40/2,395,094,845.80 = 614,532,450.80/x - Step 3: Cross multiply
1,597,485,724.40x = 2,395,094,845.80 × 614,532,450.80 - Step 4: Simplify right side
1,597,485,724.40x = 1,471,863,505,487,922,176 - Step 5: Solve for x
x = 1,471,863,505,487,922,176/1,597,485,724.40 - Step 6: Final answer
x = 921,362,540.53
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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.