Finding the Fourth Proportional to 380,128,342.44, 524,577,091.14 and 206,288,086.44
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Solution
The fourth proportional to 380,128,342.44, 524,577,091.14 and 206,288,086.44 is: 284,677,547.66
Step by Step Solution
- Step 1: Write the proportion equation
380,128,342.44 : 524,577,091.14 = 206,288,086.44 : x - Step 2: Convert to fraction form
380,128,342.44/524,577,091.14 = 206,288,086.44/x - Step 3: Cross multiply
380,128,342.44x = 524,577,091.14 × 206,288,086.44 - Step 4: Simplify right side
380,128,342.44x = 108,214,004,321,532,080 - Step 5: Solve for x
x = 108,214,004,321,532,080/380,128,342.44 - Step 6: Final answer
x = 284,677,547.66
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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.