Finding the Fourth Proportional to 3,149,285,529.40, 4,723,928,294.10 and 967,968,230.20
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Solution
The fourth proportional to 3,149,285,529.40, 4,723,928,294.10 and 967,968,230.20 is: 1,451,952,345.30
Step by Step Solution
- Step 1: Write the proportion equation
3,149,285,529.40 : 4,723,928,294.10 = 967,968,230.20 : x - Step 2: Convert to fraction form
3,149,285,529.40/4,723,928,294.10 = 967,968,230.20/x - Step 3: Cross multiply
3,149,285,529.40x = 4,723,928,294.10 × 967,968,230.20 - Step 4: Simplify right side
3,149,285,529.40x = 4,572,612,510,431,682,560 - Step 5: Solve for x
x = 4,572,612,510,431,682,560/3,149,285,529.40 - Step 6: Final answer
x = 1,451,952,345.30
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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.