Finding the Fourth Proportional to 10,647,186,341.08, 14,616,176,273.17 and 9,139,194,689.08
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Solution
The fourth proportional to 10,647,186,341.08, 14,616,176,273.17 and 9,139,194,689.08 is: 12,546,045,151.39
Step by Step Solution
- Step 1: Write the proportion equation
10,647,186,341.08 : 14,616,176,273.17 = 9,139,194,689.08 : x - Step 2: Convert to fraction form
10,647,186,341.08/14,616,176,273.17 = 9,139,194,689.08/x - Step 3: Cross multiply
10,647,186,341.08x = 14,616,176,273.17 × 9,139,194,689.08 - Step 4: Simplify right side
10,647,186,341.08x = 133,580,080,570,412,367,872 - Step 5: Solve for x
x = 133,580,080,570,412,367,872/10,647,186,341.08 - Step 6: Final answer
x = 12,546,045,151.39
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.