Finding the Fourth Proportional to 804,028,357.80, 1,206,042,536.70 and 258,769,891.80
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Solution
The fourth proportional to 804,028,357.80, 1,206,042,536.70 and 258,769,891.80 is: 388,154,837.70
Step by Step Solution
- Step 1: Write the proportion equation
804,028,357.80 : 1,206,042,536.70 = 258,769,891.80 : x - Step 2: Convert to fraction form
804,028,357.80/1,206,042,536.70 = 258,769,891.80/x - Step 3: Cross multiply
804,028,357.80x = 1,206,042,536.70 × 258,769,891.80 - Step 4: Simplify right side
804,028,357.80x = 312,087,496,728,056,576 - Step 5: Solve for x
x = 312,087,496,728,056,576/804,028,357.80 - Step 6: Final answer
x = 388,154,837.70
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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.