Finding the Fourth Proportional to 3,551,833,394.79, 4,901,194,796.84 and 2,122,619,963.97
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Solution
The fourth proportional to 3,551,833,394.79, 4,901,194,796.84 and 2,122,619,963.97 is: 2,929,015,178.00
Step by Step Solution
- Step 1: Write the proportion equation
3,551,833,394.79 : 4,901,194,796.84 = 2,122,619,963.97 : x - Step 2: Convert to fraction form
3,551,833,394.79/4,901,194,796.84 = 2,122,619,963.97/x - Step 3: Cross multiply
3,551,833,394.79x = 4,901,194,796.84 × 2,122,619,963.97 - Step 4: Simplify right side
3,551,833,394.79x = 10,403,373,923,072,104,448 - Step 5: Solve for x
x = 10,403,373,923,072,104,448/3,551,833,394.79 - Step 6: Final answer
x = 2,929,015,178.00
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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.