Finding the Fourth Proportional to 8,729,213,243.98, 13,102,097,994.50 and 5,402,966,245
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Solution
The fourth proportional to 8,729,213,243.98, 13,102,097,994.50 and 5,402,966,245 is: 8,109,573,133.84
Step by Step Solution
- Step 1: Write the proportion equation
8,729,213,243.98 : 13,102,097,994.50 = 5,402,966,245 : x - Step 2: Convert to fraction form
8,729,213,243.98/13,102,097,994.50 = 5,402,966,245/x - Step 3: Cross multiply
8,729,213,243.98x = 13,102,097,994.50 × 5,402,966,245 - Step 4: Simplify right side
8,729,213,243.98x = 70,790,193,202,965,692,416 - Step 5: Solve for x
x = 70,790,193,202,965,692,416/8,729,213,243.98 - Step 6: Final answer
x = 8,109,573,133.84
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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.