Finding the Fourth Proportional to 5,439,686,030.80, 8,161,544,585.40 and 2,170,481,448.40
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Solution
The fourth proportional to 5,439,686,030.80, 8,161,544,585.40 and 2,170,481,448.40 is: 3,256,526,390.05
Step by Step Solution
- Step 1: Write the proportion equation
5,439,686,030.80 : 8,161,544,585.40 = 2,170,481,448.40 : x - Step 2: Convert to fraction form
5,439,686,030.80/8,161,544,585.40 = 2,170,481,448.40/x - Step 3: Cross multiply
5,439,686,030.80x = 8,161,544,585.40 × 2,170,481,448.40 - Step 4: Simplify right side
5,439,686,030.80x = 17,714,481,112,900,169,728 - Step 5: Solve for x
x = 17,714,481,112,900,169,728/5,439,686,030.80 - Step 6: Final answer
x = 3,256,526,390.05
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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.