Finding the Fourth Proportional to 8,751,214,191.97, 13,128,909,601.47 and 2,855,784,396.61
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Solution
The fourth proportional to 8,751,214,191.97, 13,128,909,601.47 and 2,855,784,396.61 is: 4,284,358,074.42
Step by Step Solution
- Step 1: Write the proportion equation
8,751,214,191.97 : 13,128,909,601.47 = 2,855,784,396.61 : x - Step 2: Convert to fraction form
8,751,214,191.97/13,128,909,601.47 = 2,855,784,396.61/x - Step 3: Cross multiply
8,751,214,191.97x = 13,128,909,601.47 × 2,855,784,396.61 - Step 4: Simplify right side
8,751,214,191.97x = 37,493,335,184,381,239,296 - Step 5: Solve for x
x = 37,493,335,184,381,239,296/8,751,214,191.97 - Step 6: Final answer
x = 4,284,358,074.42
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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.