Finding the Fourth Proportional to 299,568,266.70, 449,352,400.05 and 146,135,345.10
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Solution
The fourth proportional to 299,568,266.70, 449,352,400.05 and 146,135,345.10 is: 219,203,017.65
Step by Step Solution
- Step 1: Write the proportion equation
299,568,266.70 : 449,352,400.05 = 146,135,345.10 : x - Step 2: Convert to fraction form
299,568,266.70/449,352,400.05 = 146,135,345.10/x - Step 3: Cross multiply
299,568,266.70x = 449,352,400.05 × 146,135,345.10 - Step 4: Simplify right side
299,568,266.70x = 65,666,268,052,820,008 - Step 5: Solve for x
x = 65,666,268,052,820,008/299,568,266.70 - Step 6: Final answer
x = 219,203,017.65
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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.