Finding the Fourth Proportional to 552,310,197.81, 762,204,231.96 and 301,430,680.83
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Solution
The fourth proportional to 552,310,197.81, 762,204,231.96 and 301,430,680.83 is: 415,983,158.53
Step by Step Solution
- Step 1: Write the proportion equation
552,310,197.81 : 762,204,231.96 = 301,430,680.83 : x - Step 2: Convert to fraction form
552,310,197.81/762,204,231.96 = 301,430,680.83/x - Step 3: Cross multiply
552,310,197.81x = 762,204,231.96 × 301,430,680.83 - Step 4: Simplify right side
552,310,197.81x = 229,751,740,571,210,048 - Step 5: Solve for x
x = 229,751,740,571,210,048/552,310,197.81 - Step 6: Final answer
x = 415,983,158.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.