Finding the Fourth Proportional to 993,876,887.98, 1,371,611,468.65 and 547,839,245.21
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Solution
The fourth proportional to 993,876,887.98, 1,371,611,468.65 and 547,839,245.21 is: 756,051,982.69
Step by Step Solution
- Step 1: Write the proportion equation
993,876,887.98 : 1,371,611,468.65 = 547,839,245.21 : x - Step 2: Convert to fraction form
993,876,887.98/1,371,611,468.65 = 547,839,245.21/x - Step 3: Cross multiply
993,876,887.98x = 1,371,611,468.65 × 547,839,245.21 - Step 4: Simplify right side
993,876,887.98x = 751,422,591,708,654,976 - Step 5: Solve for x
x = 751,422,591,708,654,976/993,876,887.98 - Step 6: Final answer
x = 756,051,982.69
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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.