Finding the Fourth Proportional to 512,645,901.11, 707,436,722.99 and 300,949,327.56
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Solution
The fourth proportional to 512,645,901.11, 707,436,722.99 and 300,949,327.56 is: 415,301,489.03
Step by Step Solution
- Step 1: Write the proportion equation
512,645,901.11 : 707,436,722.99 = 300,949,327.56 : x - Step 2: Convert to fraction form
512,645,901.11/707,436,722.99 = 300,949,327.56/x - Step 3: Cross multiply
512,645,901.11x = 707,436,722.99 × 300,949,327.56 - Step 4: Simplify right side
512,645,901.11x = 212,902,606,073,585,760 - Step 5: Solve for x
x = 212,902,606,073,585,760/512,645,901.11 - Step 6: Final answer
x = 415,301,489.03
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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.