Finding the Fourth Proportional to 803,093,262.66, 1,201,821,608.88 and 645,138,146.12
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Solution
The fourth proportional to 803,093,262.66, 1,201,821,608.88 and 645,138,146.12 is: 965,443,243.98
Step by Step Solution
- Step 1: Write the proportion equation
803,093,262.66 : 1,201,821,608.88 = 645,138,146.12 : x - Step 2: Convert to fraction form
803,093,262.66/1,201,821,608.88 = 645,138,146.12/x - Step 3: Cross multiply
803,093,262.66x = 1,201,821,608.88 × 645,138,146.12 - Step 4: Simplify right side
803,093,262.66x = 775,340,964,722,803,456 - Step 5: Solve for x
x = 775,340,964,722,803,456/803,093,262.66 - Step 6: Final answer
x = 965,443,243.98
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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.