Finding the Fourth Proportional to 1,541,629,838.03, 2,127,394,121.35 and 872,560,516.54
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Solution
The fourth proportional to 1,541,629,838.03, 2,127,394,121.35 and 872,560,516.54 is: 1,204,102,351.69
Step by Step Solution
- Step 1: Write the proportion equation
1,541,629,838.03 : 2,127,394,121.35 = 872,560,516.54 : x - Step 2: Convert to fraction form
1,541,629,838.03/2,127,394,121.35 = 872,560,516.54/x - Step 3: Cross multiply
1,541,629,838.03x = 2,127,394,121.35 × 872,560,516.54 - Step 4: Simplify right side
1,541,629,838.03x = 1,856,280,113,409,315,328 - Step 5: Solve for x
x = 1,856,280,113,409,315,328/1,541,629,838.03 - Step 6: Final answer
x = 1,204,102,351.69
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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.