Finding the Fourth Proportional to 838,260,522,080.73, 1,257,390,783,121 and 838,260,522,080.73
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Solution
The fourth proportional to 838,260,522,080.73, 1,257,390,783,121 and 838,260,522,080.73 is: 1,257,390,783,121
Step by Step Solution
- Step 1: Write the proportion equation
838,260,522,080.73 : 1,257,390,783,121 = 838,260,522,080.73 : x - Step 2: Convert to fraction form
838,260,522,080.73/1,257,390,783,121 = 838,260,522,080.73/x - Step 3: Cross multiply
838,260,522,080.73x = 1,257,390,783,121 × 838,260,522,080.73 - Step 4: Simplify right side
838,260,522,080.73x = 1,054,021,054,318,507,328,536,576 - Step 5: Solve for x
x = 1,054,021,054,318,507,328,536,576/838,260,522,080.73 - Step 6: Final answer
x = 1,257,390,783,121
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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.