Finding the Fourth Proportional to 8,159,448,000.30, 12,239,172,000.45 and 6,526,861,248.30
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Solution
The fourth proportional to 8,159,448,000.30, 12,239,172,000.45 and 6,526,861,248.30 is: 9,790,291,872.45
Step by Step Solution
- Step 1: Write the proportion equation
8,159,448,000.30 : 12,239,172,000.45 = 6,526,861,248.30 : x - Step 2: Convert to fraction form
8,159,448,000.30/12,239,172,000.45 = 6,526,861,248.30/x - Step 3: Cross multiply
8,159,448,000.30x = 12,239,172,000.45 × 6,526,861,248.30 - Step 4: Simplify right side
8,159,448,000.30x = 79,883,377,441,015,496,704 - Step 5: Solve for x
x = 79,883,377,441,015,496,704/8,159,448,000.30 - Step 6: Final answer
x = 9,790,291,872.45
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Similar ratio
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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.