Finding the Fourth Proportional to 7,639,186,767.11, 11,458,777,453.68 and 2,042,978,407.70
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Solution
The fourth proportional to 7,639,186,767.11, 11,458,777,453.68 and 2,042,978,407.70 is: 3,064,466,890.28
Step by Step Solution
- Step 1: Write the proportion equation
7,639,186,767.11 : 11,458,777,453.68 = 2,042,978,407.70 : x - Step 2: Convert to fraction form
7,639,186,767.11/11,458,777,453.68 = 2,042,978,407.70/x - Step 3: Cross multiply
7,639,186,767.11x = 11,458,777,453.68 × 2,042,978,407.70 - Step 4: Simplify right side
7,639,186,767.11x = 23,410,034,916,507,828,224 - Step 5: Solve for x
x = 23,410,034,916,507,828,224/7,639,186,767.11 - Step 6: Final answer
x = 3,064,466,890.28
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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.