Finding the Fourth Proportional to 5,439,686,013.80, 8,161,544,559.90 and 2,170,481,431.40
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Solution
The fourth proportional to 5,439,686,013.80, 8,161,544,559.90 and 2,170,481,431.40 is: 3,256,526,364.55
Step by Step Solution
- Step 1: Write the proportion equation
5,439,686,013.80 : 8,161,544,559.90 = 2,170,481,431.40 : x - Step 2: Convert to fraction form
5,439,686,013.80/8,161,544,559.90 = 2,170,481,431.40/x - Step 3: Cross multiply
5,439,686,013.80x = 8,161,544,559.90 × 2,170,481,431.40 - Step 4: Simplify right side
5,439,686,013.80x = 17,714,480,918,806,634,496 - Step 5: Solve for x
x = 17,714,480,918,806,634,496/5,439,686,013.80 - Step 6: Final answer
x = 3,256,526,364.55
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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.