Finding the Fourth Proportional to 3,102,909,902.54, 4,282,106,512.39 and 1,693,304,722.45
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Solution
The fourth proportional to 3,102,909,902.54, 4,282,106,512.39 and 1,693,304,722.45 is: 2,336,810,093.49
Step by Step Solution
- Step 1: Write the proportion equation
3,102,909,902.54 : 4,282,106,512.39 = 1,693,304,722.45 : x - Step 2: Convert to fraction form
3,102,909,902.54/4,282,106,512.39 = 1,693,304,722.45/x - Step 3: Cross multiply
3,102,909,902.54x = 4,282,106,512.39 × 1,693,304,722.45 - Step 4: Simplify right side
3,102,909,902.54x = 7,250,911,179,450,262,528 - Step 5: Solve for x
x = 7,250,911,179,450,262,528/3,102,909,902.54 - Step 6: Final answer
x = 2,336,810,093.49
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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.