Finding the Fourth Proportional to 7,516,636,646, 11,257,780,108.08 and 3,589,093,683.68
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Solution
The fourth proportional to 7,516,636,646, 11,257,780,108.08 and 3,589,093,683.68 is: 5,375,439,758.64
Step by Step Solution
- Step 1: Write the proportion equation
7,516,636,646 : 11,257,780,108.08 = 3,589,093,683.68 : x - Step 2: Convert to fraction form
7,516,636,646/11,257,780,108.08 = 3,589,093,683.68/x - Step 3: Cross multiply
7,516,636,646x = 11,257,780,108.08 × 3,589,093,683.68 - Step 4: Simplify right side
7,516,636,646x = 40,405,227,478,168,272,896 - Step 5: Solve for x
x = 40,405,227,478,168,272,896/7,516,636,646 - Step 6: Final answer
x = 5,375,439,758.64
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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.