Finding the Fourth Proportional to 4,759,171,412.40, 7,136,206,201.80 and 1,995,678,212.40
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Solution
The fourth proportional to 4,759,171,412.40, 7,136,206,201.80 and 1,995,678,212.40 is: 2,992,447,634.69
Step by Step Solution
- Step 1: Write the proportion equation
4,759,171,412.40 : 7,136,206,201.80 = 1,995,678,212.40 : x - Step 2: Convert to fraction form
4,759,171,412.40/7,136,206,201.80 = 1,995,678,212.40/x - Step 3: Cross multiply
4,759,171,412.40x = 7,136,206,201.80 × 1,995,678,212.40 - Step 4: Simplify right side
4,759,171,412.40x = 14,241,571,236,126,019,584 - Step 5: Solve for x
x = 14,241,571,236,126,019,584/4,759,171,412.40 - Step 6: Final answer
x = 2,992,447,634.69
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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.