Finding the Fourth Proportional to 5,636,634,556,665.80, 8,451,491,614,010.20 and 2,190,507,470,765
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Solution
The fourth proportional to 5,636,634,556,665.80, 8,451,491,614,010.20 and 2,190,507,470,765 is: 3,284,416,495,957.47
Step by Step Solution
- Step 1: Write the proportion equation
5,636,634,556,665.80 : 8,451,491,614,010.20 = 2,190,507,470,765 : x - Step 2: Convert to fraction form
5,636,634,556,665.80/8,451,491,614,010.20 = 2,190,507,470,765/x - Step 3: Cross multiply
5,636,634,556,665.80x = 8,451,491,614,010.20 × 2,190,507,470,765 - Step 4: Simplify right side
5,636,634,556,665.80x = 18,513,055,519,597,090,823,995,392 - Step 5: Solve for x
x = 18,513,055,519,597,090,823,995,392/5,636,634,556,665.80 - Step 6: Final answer
x = 3,284,416,495,957.47
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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.