Finding the Fourth Proportional to 462,388,958.28, 693,097,921.26 and 155,574,553.32
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Solution
The fourth proportional to 462,388,958.28, 693,097,921.26 and 155,574,553.32 is: 233,198,474.09
Step by Step Solution
- Step 1: Write the proportion equation
462,388,958.28 : 693,097,921.26 = 155,574,553.32 : x - Step 2: Convert to fraction form
462,388,958.28/693,097,921.26 = 155,574,553.32/x - Step 3: Cross multiply
462,388,958.28x = 693,097,921.26 × 155,574,553.32 - Step 4: Simplify right side
462,388,958.28x = 107,828,399,507,045,024 - Step 5: Solve for x
x = 107,828,399,507,045,024/462,388,958.28 - Step 6: Final answer
x = 233,198,474.09
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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.