Finding the Fourth Proportional to 2,635,808,283.36, 3,953,942,212.62 and 864,647,962.56
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Solution
The fourth proportional to 2,635,808,283.36, 3,953,942,212.62 and 864,647,962.56 is: 1,297,047,323.13
Step by Step Solution
- Step 1: Write the proportion equation
2,635,808,283.36 : 3,953,942,212.62 = 864,647,962.56 : x - Step 2: Convert to fraction form
2,635,808,283.36/3,953,942,212.62 = 864,647,962.56/x - Step 3: Cross multiply
2,635,808,283.36x = 3,953,942,212.62 × 864,647,962.56 - Step 4: Simplify right side
2,635,808,283.36x = 3,418,768,078,221,860,864 - Step 5: Solve for x
x = 3,418,768,078,221,860,864/2,635,808,283.36 - Step 6: Final answer
x = 1,297,047,323.13
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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.