Finding the Fourth Proportional to 251,583,324,366.65, 377,427,993,847.72 and 81,589,658,269.09
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Solution
The fourth proportional to 251,583,324,366.65, 377,427,993,847.72 and 81,589,658,269.09 is: 122,401,677,920.21
Step by Step Solution
- Step 1: Write the proportion equation
251,583,324,366.65 : 377,427,993,847.72 = 81,589,658,269.09 : x - Step 2: Convert to fraction form
251,583,324,366.65/377,427,993,847.72 = 81,589,658,269.09/x - Step 3: Cross multiply
251,583,324,366.65x = 377,427,993,847.72 × 81,589,658,269.09 - Step 4: Simplify right side
251,583,324,366.65x = 30,794,221,039,221,792,047,104 - Step 5: Solve for x
x = 30,794,221,039,221,792,047,104/251,583,324,366.65 - Step 6: Final answer
x = 122,401,677,920.21
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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.