Finding the Fourth Proportional to 1,738,489,961.25, 2,399,740,187.36 and 1,033,640,261.13
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Solution
The fourth proportional to 1,738,489,961.25, 2,399,740,187.36 and 1,033,640,261.13 is: 1,426,794,591.39
Step by Step Solution
- Step 1: Write the proportion equation
1,738,489,961.25 : 2,399,740,187.36 = 1,033,640,261.13 : x - Step 2: Convert to fraction form
1,738,489,961.25/2,399,740,187.36 = 1,033,640,261.13/x - Step 3: Cross multiply
1,738,489,961.25x = 2,399,740,187.36 × 1,033,640,261.13 - Step 4: Simplify right side
1,738,489,961.25x = 2,480,468,073,901,777,408 - Step 5: Solve for x
x = 2,480,468,073,901,777,408/1,738,489,961.25 - Step 6: Final answer
x = 1,426,794,591.39
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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.