Finding the Fourth Proportional to 7,863,216,742.26, 11,794,869,204.48 and 2,622,810,564.90
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Solution
The fourth proportional to 7,863,216,742.26, 11,794,869,204.48 and 2,622,810,564.90 is: 3,934,230,554.13
Step by Step Solution
- Step 1: Write the proportion equation
7,863,216,742.26 : 11,794,869,204.48 = 2,622,810,564.90 : x - Step 2: Convert to fraction form
7,863,216,742.26/11,794,869,204.48 = 2,622,810,564.90/x - Step 3: Cross multiply
7,863,216,742.26x = 11,794,869,204.48 × 2,622,810,564.90 - Step 4: Simplify right side
7,863,216,742.26x = 30,935,707,561,123,803,136 - Step 5: Solve for x
x = 30,935,707,561,123,803,136/7,863,216,742.26 - Step 6: Final answer
x = 3,934,230,554.13
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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.