Finding the Fourth Proportional to 9,818,431,342.20, 14,727,647,013.30 and 6,874,035,625.80
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Solution
The fourth proportional to 9,818,431,342.20, 14,727,647,013.30 and 6,874,035,625.80 is: 10,311,053,438.70
Step by Step Solution
- Step 1: Write the proportion equation
9,818,431,342.20 : 14,727,647,013.30 = 6,874,035,625.80 : x - Step 2: Convert to fraction form
9,818,431,342.20/14,727,647,013.30 = 6,874,035,625.80/x - Step 3: Cross multiply
9,818,431,342.20x = 14,727,647,013.30 × 6,874,035,625.80 - Step 4: Simplify right side
9,818,431,342.20x = 101,238,370,253,631,160,320 - Step 5: Solve for x
x = 101,238,370,253,631,160,320/9,818,431,342.20 - Step 6: Final answer
x = 10,311,053,438.70
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1.5x scale
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.