Finding the Fourth Proportional to 7,505,738,661.68, 10,357,890,928.38 and 4,118,704,620.68
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Solution
The fourth proportional to 7,505,738,661.68, 10,357,890,928.38 and 4,118,704,620.68 is: 5,683,796,778.73
Step by Step Solution
- Step 1: Write the proportion equation
7,505,738,661.68 : 10,357,890,928.38 = 4,118,704,620.68 : x - Step 2: Convert to fraction form
7,505,738,661.68/10,357,890,928.38 = 4,118,704,620.68/x - Step 3: Cross multiply
7,505,738,661.68x = 10,357,890,928.38 × 4,118,704,620.68 - Step 4: Simplify right side
7,505,738,661.68x = 42,661,093,227,218,157,568 - Step 5: Solve for x
x = 42,661,093,227,218,157,568/7,505,738,661.68 - Step 6: Final answer
x = 5,683,796,778.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.