Finding the Fourth Proportional to 4,651,811,346.22, 6,420,042,377.81 and 2,644,947,180.91
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Solution
The fourth proportional to 4,651,811,346.22, 6,420,042,377.81 and 2,644,947,180.91 is: 3,650,335,691.78
Step by Step Solution
- Step 1: Write the proportion equation
4,651,811,346.22 : 6,420,042,377.81 = 2,644,947,180.91 : x - Step 2: Convert to fraction form
4,651,811,346.22/6,420,042,377.81 = 2,644,947,180.91/x - Step 3: Cross multiply
4,651,811,346.22x = 6,420,042,377.81 × 2,644,947,180.91 - Step 4: Simplify right side
4,651,811,346.22x = 16,980,672,988,511,293,440 - Step 5: Solve for x
x = 16,980,672,988,511,293,440/4,651,811,346.22 - Step 6: Final answer
x = 3,650,335,691.78
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1.5x scale
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.