Finding the Fourth Proportional to 10,905,251,636.69, 16,334,969,599.49 and 6,919,284,026.12
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Solution
The fourth proportional to 10,905,251,636.69, 16,334,969,599.49 and 6,919,284,026.12 is: 10,364,391,210.99
Step by Step Solution
- Step 1: Write the proportion equation
10,905,251,636.69 : 16,334,969,599.49 = 6,919,284,026.12 : x - Step 2: Convert to fraction form
10,905,251,636.69/16,334,969,599.49 = 6,919,284,026.12/x - Step 3: Cross multiply
10,905,251,636.69x = 16,334,969,599.49 × 6,919,284,026.12 - Step 4: Simplify right side
10,905,251,636.69x = 113,026,294,216,906,964,992 - Step 5: Solve for x
x = 113,026,294,216,906,964,992/10,905,251,636.69 - Step 6: Final answer
x = 10,364,391,210.99
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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.