Finding the Fourth Proportional to 616,614,106.23, 850,849,062.21 and 352,313,209.80
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Solution
The fourth proportional to 616,614,106.23, 850,849,062.21 and 352,313,209.80 is: 486,147,431.81
Step by Step Solution
- Step 1: Write the proportion equation
616,614,106.23 : 850,849,062.21 = 352,313,209.80 : x - Step 2: Convert to fraction form
616,614,106.23/850,849,062.21 = 352,313,209.80/x - Step 3: Cross multiply
616,614,106.23x = 850,849,062.21 × 352,313,209.80 - Step 4: Simplify right side
616,614,106.23x = 299,765,364,162,524,992 - Step 5: Solve for x
x = 299,765,364,162,524,992/616,614,106.23 - Step 6: Final answer
x = 486,147,431.81
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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.