Finding the Fourth Proportional to 2,486,410,138.08, 3,431,228,535.36 and 1,357,379,901.18
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Solution
The fourth proportional to 2,486,410,138.08, 3,431,228,535.36 and 1,357,379,901.18 is: 1,873,174,734.50
Step by Step Solution
- Step 1: Write the proportion equation
2,486,410,138.08 : 3,431,228,535.36 = 1,357,379,901.18 : x - Step 2: Convert to fraction form
2,486,410,138.08/3,431,228,535.36 = 1,357,379,901.18/x - Step 3: Cross multiply
2,486,410,138.08x = 3,431,228,535.36 × 1,357,379,901.18 - Step 4: Simplify right side
2,486,410,138.08x = 4,657,480,650,252,953,600 - Step 5: Solve for x
x = 4,657,480,650,252,953,600/2,486,410,138.08 - Step 6: Final answer
x = 1,873,174,734.50
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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.