Finding the Fourth Proportional to 263,451,680.47, 395,178,388.22 and 66,714,985.99
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Solution
The fourth proportional to 263,451,680.47, 395,178,388.22 and 66,714,985.99 is: 100,072,698.67
Step by Step Solution
- Step 1: Write the proportion equation
263,451,680.47 : 395,178,388.22 = 66,714,985.99 : x - Step 2: Convert to fraction form
263,451,680.47/395,178,388.22 = 66,714,985.99/x - Step 3: Cross multiply
263,451,680.47x = 395,178,388.22 × 66,714,985.99 - Step 4: Simplify right side
263,451,680.47x = 26,364,320,633,648,084 - Step 5: Solve for x
x = 26,364,320,633,648,084/263,451,680.47 - Step 6: Final answer
x = 100,072,698.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.