Finding the Fourth Proportional to 8,172,481,472.07, 12,258,722,370.30 and 1,961,646,758.70
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Solution
The fourth proportional to 8,172,481,472.07, 12,258,722,370.30 and 1,961,646,758.70 is: 2,942,470,176.98
Step by Step Solution
- Step 1: Write the proportion equation
8,172,481,472.07 : 12,258,722,370.30 = 1,961,646,758.70 : x - Step 2: Convert to fraction form
8,172,481,472.07/12,258,722,370.30 = 1,961,646,758.70/x - Step 3: Cross multiply
8,172,481,472.07x = 12,258,722,370.30 × 1,961,646,758.70 - Step 4: Simplify right side
8,172,481,472.07x = 24,047,283,003,502,174,208 - Step 5: Solve for x
x = 24,047,283,003,502,174,208/8,172,481,472.07 - Step 6: Final answer
x = 2,942,470,176.98
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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.