Finding the Fourth Proportional to 350,986,166.40, 526,479,249.60 and 248,949,494.40
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Solution
The fourth proportional to 350,986,166.40, 526,479,249.60 and 248,949,494.40 is: 373,424,241.60
Step by Step Solution
- Step 1: Write the proportion equation
350,986,166.40 : 526,479,249.60 = 248,949,494.40 : x - Step 2: Convert to fraction form
350,986,166.40/526,479,249.60 = 248,949,494.40/x - Step 3: Cross multiply
350,986,166.40x = 526,479,249.60 × 248,949,494.40 - Step 4: Simplify right side
350,986,166.40x = 131,066,743,000,011,408 - Step 5: Solve for x
x = 131,066,743,000,011,408/350,986,166.40 - Step 6: Final answer
x = 373,424,241.60
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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.