Finding the Fourth Proportional to 8,274,744,915.80, 12,418,163,991.30 and 5,825,864,787.80
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Solution
The fourth proportional to 8,274,744,915.80, 12,418,163,991.30 and 5,825,864,787.80 is: 8,743,054,325.20
Step by Step Solution
- Step 1: Write the proportion equation
8,274,744,915.80 : 12,418,163,991.30 = 5,825,864,787.80 : x - Step 2: Convert to fraction form
8,274,744,915.80/12,418,163,991.30 = 5,825,864,787.80/x - Step 3: Cross multiply
8,274,744,915.80x = 12,418,163,991.30 × 5,825,864,787.80 - Step 4: Simplify right side
8,274,744,915.80x = 72,346,544,326,040,576,000 - Step 5: Solve for x
x = 72,346,544,326,040,576,000/8,274,744,915.80 - Step 6: Final answer
x = 8,743,054,325.20
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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.