Finding the Fourth Proportional to 8,612,632,328.63, 12,918,948,478.36 and 2,069,530,736.63
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Solution
The fourth proportional to 8,612,632,328.63, 12,918,948,478.36 and 2,069,530,736.63 is: 3,104,296,101.43
Step by Step Solution
- Step 1: Write the proportion equation
8,612,632,328.63 : 12,918,948,478.36 = 2,069,530,736.63 : x - Step 2: Convert to fraction form
8,612,632,328.63/12,918,948,478.36 = 2,069,530,736.63/x - Step 3: Cross multiply
8,612,632,328.63x = 12,918,948,478.36 × 2,069,530,736.63 - Step 4: Simplify right side
8,612,632,328.63x = 26,736,160,960,836,653,056 - Step 5: Solve for x
x = 26,736,160,960,836,653,056/8,612,632,328.63 - Step 6: Final answer
x = 3,104,296,101.43
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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.