Finding the Fourth Proportional to 823,601,852.61, 1,235,401,735.64 and 210,186,092.13
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Solution
The fourth proportional to 823,601,852.61, 1,235,401,735.64 and 210,186,092.13 is: 315,278,871.95
Step by Step Solution
- Step 1: Write the proportion equation
823,601,852.61 : 1,235,401,735.64 = 210,186,092.13 : x - Step 2: Convert to fraction form
823,601,852.61/1,235,401,735.64 = 210,186,092.13/x - Step 3: Cross multiply
823,601,852.61x = 1,235,401,735.64 × 210,186,092.13 - Step 4: Simplify right side
823,601,852.61x = 259,664,263,023,740,000 - Step 5: Solve for x
x = 259,664,263,023,740,000/823,601,852.61 - Step 6: Final answer
x = 315,278,871.95
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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.