Finding the Fourth Proportional to 727,595,203.16, 1,091,401,556.69 and 202,932,358.14
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Solution
The fourth proportional to 727,595,203.16, 1,091,401,556.69 and 202,932,358.14 is: 304,400,978.20
Step by Step Solution
- Step 1: Write the proportion equation
727,595,203.16 : 1,091,401,556.69 = 202,932,358.14 : x - Step 2: Convert to fraction form
727,595,203.16/1,091,401,556.69 = 202,932,358.14/x - Step 3: Cross multiply
727,595,203.16x = 1,091,401,556.69 × 202,932,358.14 - Step 4: Simplify right side
727,595,203.16x = 221,480,691,575,235,040 - Step 5: Solve for x
x = 221,480,691,575,235,040/727,595,203.16 - Step 6: Final answer
x = 304,400,978.20
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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.