Finding the Fourth Proportional to 993,876,888.74, 1,371,611,469.68 and 547,839,245.97
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Solution
The fourth proportional to 993,876,888.74, 1,371,611,469.68 and 547,839,245.97 is: 756,051,983.73
Step by Step Solution
- Step 1: Write the proportion equation
993,876,888.74 : 1,371,611,469.68 = 547,839,245.97 : x - Step 2: Convert to fraction form
993,876,888.74/1,371,611,469.68 = 547,839,245.97/x - Step 3: Cross multiply
993,876,888.74x = 1,371,611,469.68 × 547,839,245.97 - Step 4: Simplify right side
993,876,888.74x = 751,422,593,310,555,520 - Step 5: Solve for x
x = 751,422,593,310,555,520/993,876,888.74 - Step 6: Final answer
x = 756,051,983.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.