Finding the Fourth Proportional to 5,166,535,451.13, 7,743,507,148.31 and 2,678,024,439.36
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Solution
The fourth proportional to 5,166,535,451.13, 7,743,507,148.31 and 2,678,024,439.36 is: 4,013,773,172.69
Step by Step Solution
- Step 1: Write the proportion equation
5,166,535,451.13 : 7,743,507,148.31 = 2,678,024,439.36 : x - Step 2: Convert to fraction form
5,166,535,451.13/7,743,507,148.31 = 2,678,024,439.36/x - Step 3: Cross multiply
5,166,535,451.13x = 7,743,507,148.31 × 2,678,024,439.36 - Step 4: Simplify right side
5,166,535,451.13x = 20,737,301,389,519,650,816 - Step 5: Solve for x
x = 20,737,301,389,519,650,816/5,166,535,451.13 - Step 6: Final answer
x = 4,013,773,172.69
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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.