Finding the Fourth Proportional to 1,119,108,274.68, 1,544,370,906.84 and 617,305,739.04
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Solution
The fourth proportional to 1,119,108,274.68, 1,544,370,906.84 and 617,305,739.04 is: 851,882,740.54
Step by Step Solution
- Step 1: Write the proportion equation
1,119,108,274.68 : 1,544,370,906.84 = 617,305,739.04 : x - Step 2: Convert to fraction form
1,119,108,274.68/1,544,370,906.84 = 617,305,739.04/x - Step 3: Cross multiply
1,119,108,274.68x = 1,544,370,906.84 × 617,305,739.04 - Step 4: Simplify right side
1,119,108,274.68x = 953,349,023,998,741,120 - Step 5: Solve for x
x = 953,349,023,998,741,120/1,119,108,274.68 - Step 6: Final answer
x = 851,882,740.54
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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.