Finding the Fourth Proportional to 653,324,227.26, 901,576,081.62 and 355,968,913.20
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Solution
The fourth proportional to 653,324,227.26, 901,576,081.62 and 355,968,913.20 is: 491,230,914.99
Step by Step Solution
- Step 1: Write the proportion equation
653,324,227.26 : 901,576,081.62 = 355,968,913.20 : x - Step 2: Convert to fraction form
653,324,227.26/901,576,081.62 = 355,968,913.20/x - Step 3: Cross multiply
653,324,227.26x = 901,576,081.62 × 355,968,913.20 - Step 4: Simplify right side
653,324,227.26x = 320,933,057,941,385,856 - Step 5: Solve for x
x = 320,933,057,941,385,856/653,324,227.26 - Step 6: Final answer
x = 491,230,914.99
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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.