Finding the Fourth Proportional to 1,383,304,310.02, 2,074,954,838.79 and 450,625,631.81
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Solution
The fourth proportional to 1,383,304,310.02, 2,074,954,838.79 and 450,625,631.81 is: 675,937,917.95
Step by Step Solution
- Step 1: Write the proportion equation
1,383,304,310.02 : 2,074,954,838.79 = 450,625,631.81 : x - Step 2: Convert to fraction form
1,383,304,310.02/2,074,954,838.79 = 450,625,631.81/x - Step 3: Cross multiply
1,383,304,310.02x = 2,074,954,838.79 × 450,625,631.81 - Step 4: Simplify right side
1,383,304,310.02x = 935,027,835,207,456,512 - Step 5: Solve for x
x = 935,027,835,207,456,512/1,383,304,310.02 - Step 6: Final answer
x = 675,937,917.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.