Finding the Fourth Proportional to 972,353,557.81, 1,458,534,076.49 and 235,422,234.64
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Solution
The fourth proportional to 972,353,557.81, 1,458,534,076.49 and 235,422,234.64 is: 353,134,257.42
Step by Step Solution
- Step 1: Write the proportion equation
972,353,557.81 : 1,458,534,076.49 = 235,422,234.64 : x - Step 2: Convert to fraction form
972,353,557.81/1,458,534,076.49 = 235,422,234.64/x - Step 3: Cross multiply
972,353,557.81x = 1,458,534,076.49 × 235,422,234.64 - Step 4: Simplify right side
972,353,557.81x = 343,371,351,585,864,448 - Step 5: Solve for x
x = 343,371,351,585,864,448/972,353,557.81 - Step 6: Final answer
x = 353,134,257.42
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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.