Finding the Fourth Proportional to 246,754,059,472.21, 370,156,450,013.97 and 85,405,202,245.65
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Solution
The fourth proportional to 246,754,059,472.21, 370,156,450,013.97 and 85,405,202,245.65 is: 128,116,581,115.59
Step by Step Solution
- Step 1: Write the proportion equation
246,754,059,472.21 : 370,156,450,013.97 = 85,405,202,245.65 : x - Step 2: Convert to fraction form
246,754,059,472.21/370,156,450,013.97 = 85,405,202,245.65/x - Step 3: Cross multiply
246,754,059,472.21x = 370,156,450,013.97 × 85,405,202,245.65 - Step 4: Simplify right side
246,754,059,472.21x = 31,613,286,475,973,089,296,384 - Step 5: Solve for x
x = 31,613,286,475,973,089,296,384/246,754,059,472.21 - Step 6: Final answer
x = 128,116,581,115.59
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1.5x scale
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.