Finding the Fourth Proportional to 2,100,067,351.32, 3,149,692,363.44 and 605,993,856.12
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Solution
The fourth proportional to 2,100,067,351.32, 3,149,692,363.44 and 605,993,856.12 is: 908,872,860.54
Step by Step Solution
- Step 1: Write the proportion equation
2,100,067,351.32 : 3,149,692,363.44 = 605,993,856.12 : x - Step 2: Convert to fraction form
2,100,067,351.32/3,149,692,363.44 = 605,993,856.12/x - Step 3: Cross multiply
2,100,067,351.32x = 3,149,692,363.44 × 605,993,856.12 - Step 4: Simplify right side
2,100,067,351.32x = 1,908,694,220,912,722,176 - Step 5: Solve for x
x = 1,908,694,220,912,722,176/2,100,067,351.32 - Step 6: Final answer
x = 908,872,860.54
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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.