Finding the Fourth Proportional to 4,313,232,319.20, 6,469,848,478.80 and 4,143,927,026.40
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Solution
The fourth proportional to 4,313,232,319.20, 6,469,848,478.80 and 4,143,927,026.40 is: 6,215,890,539.60
Step by Step Solution
- Step 1: Write the proportion equation
4,313,232,319.20 : 6,469,848,478.80 = 4,143,927,026.40 : x - Step 2: Convert to fraction form
4,313,232,319.20/6,469,848,478.80 = 4,143,927,026.40/x - Step 3: Cross multiply
4,313,232,319.20x = 6,469,848,478.80 × 4,143,927,026.40 - Step 4: Simplify right side
4,313,232,319.20x = 26,810,579,968,012,247,040 - Step 5: Solve for x
x = 26,810,579,968,012,247,040/4,313,232,319.20 - Step 6: Final answer
x = 6,215,890,539.60
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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.