Finding the Fourth Proportional to 197,296,768.20, 276,668,971.80 and 197,296,768.20
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Solution
The fourth proportional to 197,296,768.20, 276,668,971.80 and 197,296,768.20 is: 276,668,971.80
Step by Step Solution
- Step 1: Write the proportion equation
197,296,768.20 : 276,668,971.80 = 197,296,768.20 : x - Step 2: Convert to fraction form
197,296,768.20/276,668,971.80 = 197,296,768.20/x - Step 3: Cross multiply
197,296,768.20x = 276,668,971.80 × 197,296,768.20 - Step 4: Simplify right side
197,296,768.20x = 54,585,893,997,356,936 - Step 5: Solve for x
x = 54,585,893,997,356,936/197,296,768.20 - Step 6: Final answer
x = 276,668,971.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.