Finding the Fourth Proportional to 8,322,076,809.28, 12,481,204,992.90 and 4,961,598,656.68
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Solution
The fourth proportional to 8,322,076,809.28, 12,481,204,992.90 and 4,961,598,656.68 is: 7,441,259,116.65
Step by Step Solution
- Step 1: Write the proportion equation
8,322,076,809.28 : 12,481,204,992.90 = 4,961,598,656.68 : x - Step 2: Convert to fraction form
8,322,076,809.28/12,481,204,992.90 = 4,961,598,656.68/x - Step 3: Cross multiply
8,322,076,809.28x = 12,481,204,992.90 × 4,961,598,656.68 - Step 4: Simplify right side
8,322,076,809.28x = 61,926,729,926,520,348,672 - Step 5: Solve for x
x = 61,926,729,926,520,348,672/8,322,076,809.28 - Step 6: Final answer
x = 7,441,259,116.65
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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.