Finding the Fourth Proportional to 2,486,410,142.70, 3,431,228,541.74 and 1,357,379,905.84
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Solution
The fourth proportional to 2,486,410,142.70, 3,431,228,541.74 and 1,357,379,905.84 is: 1,873,174,740.93
Step by Step Solution
- Step 1: Write the proportion equation
2,486,410,142.70 : 3,431,228,541.74 = 1,357,379,905.84 : x - Step 2: Convert to fraction form
2,486,410,142.70/3,431,228,541.74 = 1,357,379,905.84/x - Step 3: Cross multiply
2,486,410,142.70x = 3,431,228,541.74 × 1,357,379,905.84 - Step 4: Simplify right side
2,486,410,142.70x = 4,657,480,674,902,560,768 - Step 5: Solve for x
x = 4,657,480,674,902,560,768/2,486,410,142.70 - Step 6: Final answer
x = 1,873,174,740.93
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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.