Finding the Fourth Proportional to 13,240,109,229,878, 19,860,163,844,822 and 13,240,109,229,878
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Solution
The fourth proportional to 13,240,109,229,878, 19,860,163,844,822 and 13,240,109,229,878 is: 19,860,163,844,822
Step by Step Solution
- Step 1: Write the proportion equation
13,240,109,229,878 : 19,860,163,844,822 = 13,240,109,229,878 : x - Step 2: Convert to fraction form
13,240,109,229,878/19,860,163,844,822 = 13,240,109,229,878/x - Step 3: Cross multiply
13,240,109,229,878x = 19,860,163,844,822 × 13,240,109,229,878 - Step 4: Simplify right side
13,240,109,229,878x = 262,950,738,628,717,123,425,271,808 - Step 5: Solve for x
x = 262,950,738,628,717,123,425,271,808/13,240,109,229,878 - Step 6: Final answer
x = 19,860,163,844,822
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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.