Finding the Fourth Proportional to 340,855,600.30, 511,283,400.45 and 211,609,149.10
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Solution
The fourth proportional to 340,855,600.30, 511,283,400.45 and 211,609,149.10 is: 317,413,723.65
Step by Step Solution
- Step 1: Write the proportion equation
340,855,600.30 : 511,283,400.45 = 211,609,149.10 : x - Step 2: Convert to fraction form
340,855,600.30/511,283,400.45 = 211,609,149.10/x - Step 3: Cross multiply
340,855,600.30x = 511,283,400.45 × 211,609,149.10 - Step 4: Simplify right side
340,855,600.30x = 108,192,245,318,179,056 - Step 5: Solve for x
x = 108,192,245,318,179,056/340,855,600.30 - Step 6: Final answer
x = 317,413,723.65
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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.