Finding the Fourth Proportional to 279,418,799.28, 382,805,121.04 and 268,946,256.32
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Solution
The fourth proportional to 279,418,799.28, 382,805,121.04 and 268,946,256.32 is: 368,457,685.99
Step by Step Solution
- Step 1: Write the proportion equation
279,418,799.28 : 382,805,121.04 = 268,946,256.32 : x - Step 2: Convert to fraction form
279,418,799.28/382,805,121.04 = 268,946,256.32/x - Step 3: Cross multiply
279,418,799.28x = 382,805,121.04 × 268,946,256.32 - Step 4: Simplify right side
279,418,799.28x = 102,954,004,203,832,464 - Step 5: Solve for x
x = 102,954,004,203,832,464/279,418,799.28 - Step 6: Final answer
x = 368,457,685.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.