Finding the Fourth Proportional to 3,669,266,163.90, 5,151,484,511.70 and 3,669,266,163.90
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Solution
The fourth proportional to 3,669,266,163.90, 5,151,484,511.70 and 3,669,266,163.90 is: 5,151,484,511.70
Step by Step Solution
- Step 1: Write the proportion equation
3,669,266,163.90 : 5,151,484,511.70 = 3,669,266,163.90 : x - Step 2: Convert to fraction form
3,669,266,163.90/5,151,484,511.70 = 3,669,266,163.90/x - Step 3: Cross multiply
3,669,266,163.90x = 5,151,484,511.70 × 3,669,266,163.90 - Step 4: Simplify right side
3,669,266,163.90x = 18,902,167,812,635,721,728 - Step 5: Solve for x
x = 18,902,167,812,635,721,728/3,669,266,163.90 - Step 6: Final answer
x = 5,151,484,511.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.