Finding the Fourth Proportional to 415,982,937.20, 574,049,437.62 and 230,339,967.08
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Solution
The fourth proportional to 415,982,937.20, 574,049,437.62 and 230,339,967.08 is: 317,865,269.79
Step by Step Solution
- Step 1: Write the proportion equation
415,982,937.20 : 574,049,437.62 = 230,339,967.08 : x - Step 2: Convert to fraction form
415,982,937.20/574,049,437.62 = 230,339,967.08/x - Step 3: Cross multiply
415,982,937.20x = 574,049,437.62 × 230,339,967.08 - Step 4: Simplify right side
415,982,937.20x = 132,226,528,560,813,056 - Step 5: Solve for x
x = 132,226,528,560,813,056/415,982,937.20 - Step 6: Final answer
x = 317,865,269.79
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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.