Finding the Fourth Proportional to 682,882,213.44, 1,024,324,058.88 and 319,631,661.12
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Solution
The fourth proportional to 682,882,213.44, 1,024,324,058.88 and 319,631,661.12 is: 479,447,837.45
Step by Step Solution
- Step 1: Write the proportion equation
682,882,213.44 : 1,024,324,058.88 = 319,631,661.12 : x - Step 2: Convert to fraction form
682,882,213.44/1,024,324,058.88 = 319,631,661.12/x - Step 3: Cross multiply
682,882,213.44x = 1,024,324,058.88 × 319,631,661.12 - Step 4: Simplify right side
682,882,213.44x = 327,406,400,464,995,072 - Step 5: Solve for x
x = 327,406,400,464,995,072/682,882,213.44 - Step 6: Final answer
x = 479,447,837.45
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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.