Finding the Fourth Proportional to 7,087,672,823.20, 10,631,509,234.80 and 4,185,296,375.20
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Solution
The fourth proportional to 7,087,672,823.20, 10,631,509,234.80 and 4,185,296,375.20 is: 6,277,944,562.80
Step by Step Solution
- Step 1: Write the proportion equation
7,087,672,823.20 : 10,631,509,234.80 = 4,185,296,375.20 : x - Step 2: Convert to fraction form
7,087,672,823.20/10,631,509,234.80 = 4,185,296,375.20/x - Step 3: Cross multiply
7,087,672,823.20x = 10,631,509,234.80 × 4,185,296,375.20 - Step 4: Simplify right side
7,087,672,823.20x = 44,496,017,063,313,760,256 - Step 5: Solve for x
x = 44,496,017,063,313,760,256/7,087,672,823.20 - Step 6: Final answer
x = 6,277,944,562.80
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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.