Finding the Fourth Proportional to 411,840,997.40, 568,351,676.22 and 242,307,069.68
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Solution
The fourth proportional to 411,840,997.40, 568,351,676.22 and 242,307,069.68 is: 334,390,286.74
Step by Step Solution
- Step 1: Write the proportion equation
411,840,997.40 : 568,351,676.22 = 242,307,069.68 : x - Step 2: Convert to fraction form
411,840,997.40/568,351,676.22 = 242,307,069.68/x - Step 3: Cross multiply
411,840,997.40x = 568,351,676.22 × 242,307,069.68 - Step 4: Simplify right side
411,840,997.40x = 137,715,629,212,584,352 - Step 5: Solve for x
x = 137,715,629,212,584,352/411,840,997.40 - Step 6: Final answer
x = 334,390,286.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.