Finding the Fourth Proportional to 1,649,936,734.11, 2,276,881,122.42 and 907,380,796.86
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Solution
The fourth proportional to 1,649,936,734.11, 2,276,881,122.42 and 907,380,796.86 is: 1,252,168,137.42
Step by Step Solution
- Step 1: Write the proportion equation
1,649,936,734.11 : 2,276,881,122.42 = 907,380,796.86 : x - Step 2: Convert to fraction form
1,649,936,734.11/2,276,881,122.42 = 907,380,796.86/x - Step 3: Cross multiply
1,649,936,734.11x = 2,276,881,122.42 × 907,380,796.86 - Step 4: Simplify right side
1,649,936,734.11x = 2,065,998,207,216,951,040 - Step 5: Solve for x
x = 2,065,998,207,216,951,040/1,649,936,734.11 - Step 6: Final answer
x = 1,252,168,137.42
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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.