Finding the Fourth Proportional to 576,587,284.38, 864,992,201.40 and 188,305,729.74
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Solution
The fourth proportional to 576,587,284.38, 864,992,201.40 and 188,305,729.74 is: 282,494,935.49
Step by Step Solution
- Step 1: Write the proportion equation
576,587,284.38 : 864,992,201.40 = 188,305,729.74 : x - Step 2: Convert to fraction form
576,587,284.38/864,992,201.40 = 188,305,729.74/x - Step 3: Cross multiply
576,587,284.38x = 864,992,201.40 × 188,305,729.74 - Step 4: Simplify right side
576,587,284.38x = 162,882,987,704,036,064 - Step 5: Solve for x
x = 162,882,987,704,036,064/576,587,284.38 - Step 6: Final answer
x = 282,494,935.49
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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.