Finding the Fourth Proportional to 13,240,109,229,771, 19,860,163,844,655 and 13,240,109,229,771
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Solution
The fourth proportional to 13,240,109,229,771, 19,860,163,844,655 and 13,240,109,229,771 is: 19,860,163,844,655
Step by Step Solution
- Step 1: Write the proportion equation
13,240,109,229,771 : 19,860,163,844,655 = 13,240,109,229,771 : x - Step 2: Convert to fraction form
13,240,109,229,771/19,860,163,844,655 = 13,240,109,229,771/x - Step 3: Cross multiply
13,240,109,229,771x = 19,860,163,844,655 × 13,240,109,229,771 - Step 4: Simplify right side
13,240,109,229,771x = 262,950,738,624,380,958,802,968,576 - Step 5: Solve for x
x = 262,950,738,624,380,958,802,968,576/13,240,109,229,771 - Step 6: Final answer
x = 19,860,163,844,655
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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.