Finding the Fourth Proportional to 4,110,283,979.94, 5,672,212,083.09 and 2,230,691,422.26
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Solution
The fourth proportional to 4,110,283,979.94, 5,672,212,083.09 and 2,230,691,422.26 is: 3,078,365,120.45
Step by Step Solution
- Step 1: Write the proportion equation
4,110,283,979.94 : 5,672,212,083.09 = 2,230,691,422.26 : x - Step 2: Convert to fraction form
4,110,283,979.94/5,672,212,083.09 = 2,230,691,422.26/x - Step 3: Cross multiply
4,110,283,979.94x = 5,672,212,083.09 × 2,230,691,422.26 - Step 4: Simplify right side
4,110,283,979.94x = 12,652,954,838,988,390,400 - Step 5: Solve for x
x = 12,652,954,838,988,390,400/4,110,283,979.94 - Step 6: Final answer
x = 3,078,365,120.45
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1.5x scale
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.