Finding the Fourth Proportional to 1,770,548,944.80, 2,657,524,028.40 and 898,135,399.20
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Solution
The fourth proportional to 1,770,548,944.80, 2,657,524,028.40 and 898,135,399.20 is: 1,348,065,757.31
Step by Step Solution
- Step 1: Write the proportion equation
1,770,548,944.80 : 2,657,524,028.40 = 898,135,399.20 : x - Step 2: Convert to fraction form
1,770,548,944.80/2,657,524,028.40 = 898,135,399.20/x - Step 3: Cross multiply
1,770,548,944.80x = 2,657,524,028.40 × 898,135,399.20 - Step 4: Simplify right side
1,770,548,944.80x = 2,386,816,404,130,626,560 - Step 5: Solve for x
x = 2,386,816,404,130,626,560/1,770,548,944.80 - Step 6: Final answer
x = 1,348,065,757.31
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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.