Finding the Fourth Proportional to 300,430,451.82, 414,796,471.05 and 187,571,943.42
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Solution
The fourth proportional to 300,430,451.82, 414,796,471.05 and 187,571,943.42 is: 258,975,678.82
Step by Step Solution
- Step 1: Write the proportion equation
300,430,451.82 : 414,796,471.05 = 187,571,943.42 : x - Step 2: Convert to fraction form
300,430,451.82/414,796,471.05 = 187,571,943.42/x - Step 3: Cross multiply
300,430,451.82x = 414,796,471.05 × 187,571,943.42 - Step 4: Simplify right side
300,430,451.82x = 77,804,180,198,606,272 - Step 5: Solve for x
x = 77,804,180,198,606,272/300,430,451.82 - Step 6: Final answer
x = 258,975,678.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.