Finding the Fourth Proportional to 1,453,929,161.40, 2,180,893,742.10 and 873,453,871.80
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Solution
The fourth proportional to 1,453,929,161.40, 2,180,893,742.10 and 873,453,871.80 is: 1,310,180,807.70
Step by Step Solution
- Step 1: Write the proportion equation
1,453,929,161.40 : 2,180,893,742.10 = 873,453,871.80 : x - Step 2: Convert to fraction form
1,453,929,161.40/2,180,893,742.10 = 873,453,871.80/x - Step 3: Cross multiply
1,453,929,161.40x = 2,180,893,742.10 × 873,453,871.80 - Step 4: Simplify right side
1,453,929,161.40x = 1,904,910,083,021,635,584 - Step 5: Solve for x
x = 1,904,910,083,021,635,584/1,453,929,161.40 - Step 6: Final answer
x = 1,310,180,807.70
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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.