Finding the Fourth Proportional to 1,100,761,821.24, 1,519,032,091.50 and 598,953,676.44
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Solution
The fourth proportional to 1,100,761,821.24, 1,519,032,091.50 and 598,953,676.44 is: 826,545,614.39
Step by Step Solution
- Step 1: Write the proportion equation
1,100,761,821.24 : 1,519,032,091.50 = 598,953,676.44 : x - Step 2: Convert to fraction form
1,100,761,821.24/1,519,032,091.50 = 598,953,676.44/x - Step 3: Cross multiply
1,100,761,821.24x = 1,519,032,091.50 × 598,953,676.44 - Step 4: Simplify right side
1,100,761,821.24x = 909,829,855,834,267,520 - Step 5: Solve for x
x = 909,829,855,834,267,520/1,100,761,821.24 - Step 6: Final answer
x = 826,545,614.39
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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.