Finding the Fourth Proportional to 1,453,929,163.40, 2,180,893,745.10 and 873,453,873.80
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Solution
The fourth proportional to 1,453,929,163.40, 2,180,893,745.10 and 873,453,873.80 is: 1,310,180,810.70
Step by Step Solution
- Step 1: Write the proportion equation
1,453,929,163.40 : 2,180,893,745.10 = 873,453,873.80 : x - Step 2: Convert to fraction form
1,453,929,163.40/2,180,893,745.10 = 873,453,873.80/x - Step 3: Cross multiply
1,453,929,163.40x = 2,180,893,745.10 × 873,453,873.80 - Step 4: Simplify right side
1,453,929,163.40x = 1,904,910,090,003,784,704 - Step 5: Solve for x
x = 1,904,910,090,003,784,704/1,453,929,163.40 - Step 6: Final answer
x = 1,310,180,810.70
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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.