Finding the Fourth Proportional to 18,577,835,861.24, 27,855,348,888.08 and 7,219,750,732.88
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Solution
The fourth proportional to 18,577,835,861.24, 27,855,348,888.08 and 7,219,750,732.88 is: 10,825,193,905.86
Step by Step Solution
- Step 1: Write the proportion equation
18,577,835,861.24 : 27,855,348,888.08 = 7,219,750,732.88 : x - Step 2: Convert to fraction form
18,577,835,861.24/27,855,348,888.08 = 7,219,750,732.88/x - Step 3: Cross multiply
18,577,835,861.24x = 27,855,348,888.08 × 7,219,750,732.88 - Step 4: Simplify right side
18,577,835,861.24x = 201,108,675,549,226,041,344 - Step 5: Solve for x
x = 201,108,675,549,226,041,344/18,577,835,861.24 - Step 6: Final answer
x = 10,825,193,905.86
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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.