Finding the Fourth Proportional to 3,888,383,721.54, 5,365,983,084.39 and 2,104,236,727.44
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Solution
The fourth proportional to 3,888,383,721.54, 5,365,983,084.39 and 2,104,236,727.44 is: 2,903,854,015.86
Step by Step Solution
- Step 1: Write the proportion equation
3,888,383,721.54 : 5,365,983,084.39 = 2,104,236,727.44 : x - Step 2: Convert to fraction form
3,888,383,721.54/5,365,983,084.39 = 2,104,236,727.44/x - Step 3: Cross multiply
3,888,383,721.54x = 5,365,983,084.39 × 2,104,236,727.44 - Step 4: Simplify right side
3,888,383,721.54x = 11,291,298,684,995,211,264 - Step 5: Solve for x
x = 11,291,298,684,995,211,264/3,888,383,721.54 - Step 6: Final answer
x = 2,903,854,015.86
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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.