Finding the Fourth Proportional to 993,876,888.23, 1,371,611,468.99 and 547,839,245.46
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Solution
The fourth proportional to 993,876,888.23, 1,371,611,468.99 and 547,839,245.46 is: 756,051,983.03
Step by Step Solution
- Step 1: Write the proportion equation
993,876,888.23 : 1,371,611,468.99 = 547,839,245.46 : x - Step 2: Convert to fraction form
993,876,888.23/1,371,611,468.99 = 547,839,245.46/x - Step 3: Cross multiply
993,876,888.23x = 1,371,611,468.99 × 547,839,245.46 - Step 4: Simplify right side
993,876,888.23x = 751,422,592,235,763,840 - Step 5: Solve for x
x = 751,422,592,235,763,840/993,876,888.23 - Step 6: Final answer
x = 756,051,983.03
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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.