Finding the Fourth Proportional to 4,661,609,799.20, 6,992,414,698.80 and 3,192,281,722.40
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Solution
The fourth proportional to 4,661,609,799.20, 6,992,414,698.80 and 3,192,281,722.40 is: 4,788,422,583.60
Step by Step Solution
- Step 1: Write the proportion equation
4,661,609,799.20 : 6,992,414,698.80 = 3,192,281,722.40 : x - Step 2: Convert to fraction form
4,661,609,799.20/6,992,414,698.80 = 3,192,281,722.40/x - Step 3: Cross multiply
4,661,609,799.20x = 6,992,414,698.80 × 3,192,281,722.40 - Step 4: Simplify right side
4,661,609,799.20x = 22,321,757,638,420,340,736 - Step 5: Solve for x
x = 22,321,757,638,420,340,736/4,661,609,799.20 - Step 6: Final answer
x = 4,788,422,583.60
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1.5x scale
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.