Finding the Fourth Proportional to 11,959,235,044.12, 16,503,750,981.49 and 6,459,749,576.50
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Solution
The fourth proportional to 11,959,235,044.12, 16,503,750,981.49 and 6,459,749,576.50 is: 8,914,457,991.67
Step by Step Solution
- Step 1: Write the proportion equation
11,959,235,044.12 : 16,503,750,981.49 = 6,459,749,576.50 : x - Step 2: Convert to fraction form
11,959,235,044.12/16,503,750,981.49 = 6,459,749,576.50/x - Step 3: Cross multiply
11,959,235,044.12x = 16,503,750,981.49 × 6,459,749,576.50 - Step 4: Simplify right side
11,959,235,044.12x = 106,610,098,413,258,964,992 - Step 5: Solve for x
x = 106,610,098,413,258,964,992/11,959,235,044.12 - Step 6: Final answer
x = 8,914,457,991.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.