Finding the Fourth Proportional to 1,848,744,549.20, 2,546,979,660.36 and 1,290,944,075.60
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Solution
The fourth proportional to 1,848,744,549.20, 2,546,979,660.36 and 1,290,944,075.60 is: 1,778,508,720.76
Step by Step Solution
- Step 1: Write the proportion equation
1,848,744,549.20 : 2,546,979,660.36 = 1,290,944,075.60 : x - Step 2: Convert to fraction form
1,848,744,549.20/2,546,979,660.36 = 1,290,944,075.60/x - Step 3: Cross multiply
1,848,744,549.20x = 2,546,979,660.36 × 1,290,944,075.60 - Step 4: Simplify right side
1,848,744,549.20x = 3,288,008,303,215,441,920 - Step 5: Solve for x
x = 3,288,008,303,215,441,920/1,848,744,549.20 - Step 6: Final answer
x = 1,778,508,720.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.