Finding the Fourth Proportional to 324,755,268.84, 447,728,724.18 and 257,995,738.44
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Solution
The fourth proportional to 324,755,268.84, 447,728,724.18 and 257,995,738.44 is: 355,689,695.90
Step by Step Solution
- Step 1: Write the proportion equation
324,755,268.84 : 447,728,724.18 = 257,995,738.44 : x - Step 2: Convert to fraction form
324,755,268.84/447,728,724.18 = 257,995,738.44/x - Step 3: Cross multiply
324,755,268.84x = 447,728,724.18 × 257,995,738.44 - Step 4: Simplify right side
324,755,268.84x = 115,512,102,815,618,192 - Step 5: Solve for x
x = 115,512,102,815,618,192/324,755,268.84 - Step 6: Final answer
x = 355,689,695.90
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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.