Finding the Fourth Proportional to 3,998,271,401.80, 5,997,407,102.70 and 1,932,028,793.80
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Solution
The fourth proportional to 3,998,271,401.80, 5,997,407,102.70 and 1,932,028,793.80 is: 2,898,043,190.70
Step by Step Solution
- Step 1: Write the proportion equation
3,998,271,401.80 : 5,997,407,102.70 = 1,932,028,793.80 : x - Step 2: Convert to fraction form
3,998,271,401.80/5,997,407,102.70 = 1,932,028,793.80/x - Step 3: Cross multiply
3,998,271,401.80x = 5,997,407,102.70 × 1,932,028,793.80 - Step 4: Simplify right side
3,998,271,401.80x = 11,587,163,210,557,032,448 - Step 5: Solve for x
x = 11,587,163,210,557,032,448/3,998,271,401.80 - Step 6: Final answer
x = 2,898,043,190.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.