Finding the Fourth Proportional to 776,324,930.64, 1,164,078,788.36 and 530,751,794.88
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Solution
The fourth proportional to 776,324,930.64, 1,164,078,788.36 and 530,751,794.88 is: 795,848,338.65
Step by Step Solution
- Step 1: Write the proportion equation
776,324,930.64 : 1,164,078,788.36 = 530,751,794.88 : x - Step 2: Convert to fraction form
776,324,930.64/1,164,078,788.36 = 530,751,794.88/x - Step 3: Cross multiply
776,324,930.64x = 1,164,078,788.36 × 530,751,794.88 - Step 4: Simplify right side
776,324,930.64x = 617,836,906,303,805,568 - Step 5: Solve for x
x = 617,836,906,303,805,568/776,324,930.64 - Step 6: Final answer
x = 795,848,338.65
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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.