Finding the Fourth Proportional to 1,589,212,516.77, 2,193,095,868.66 and 874,732,794.03
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Solution
The fourth proportional to 1,589,212,516.77, 2,193,095,868.66 and 874,732,794.03 is: 1,207,121,676.00
Step by Step Solution
- Step 1: Write the proportion equation
1,589,212,516.77 : 2,193,095,868.66 = 874,732,794.03 : x - Step 2: Convert to fraction form
1,589,212,516.77/2,193,095,868.66 = 874,732,794.03/x - Step 3: Cross multiply
1,589,212,516.77x = 2,193,095,868.66 × 874,732,794.03 - Step 4: Simplify right side
1,589,212,516.77x = 1,918,372,876,768,611,584 - Step 5: Solve for x
x = 1,918,372,876,768,611,584/1,589,212,516.77 - Step 6: Final answer
x = 1,207,121,676.00
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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.