Finding the Fourth Proportional to 3,952,865,530.92, 5,929,089,469.76 and 1,296,571,712.92
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Solution
The fourth proportional to 3,952,865,530.92, 5,929,089,469.76 and 1,296,571,712.92 is: 1,944,789,072.57
Step by Step Solution
- Step 1: Write the proportion equation
3,952,865,530.92 : 5,929,089,469.76 = 1,296,571,712.92 : x - Step 2: Convert to fraction form
3,952,865,530.92/5,929,089,469.76 = 1,296,571,712.92/x - Step 3: Cross multiply
3,952,865,530.92x = 5,929,089,469.76 × 1,296,571,712.92 - Step 4: Simplify right side
3,952,865,530.92x = 7,687,489,689,862,658,048 - Step 5: Solve for x
x = 7,687,489,689,862,658,048/3,952,865,530.92 - Step 6: Final answer
x = 1,944,789,072.57
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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.