Finding the Fourth Proportional to 4,128,509,551.80, 6,192,764,327.70 and 4,128,509,551.80
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Solution
The fourth proportional to 4,128,509,551.80, 6,192,764,327.70 and 4,128,509,551.80 is: 6,192,764,327.70
Step by Step Solution
- Step 1: Write the proportion equation
4,128,509,551.80 : 6,192,764,327.70 = 4,128,509,551.80 : x - Step 2: Convert to fraction form
4,128,509,551.80/6,192,764,327.70 = 4,128,509,551.80/x - Step 3: Cross multiply
4,128,509,551.80x = 6,192,764,327.70 × 4,128,509,551.80 - Step 4: Simplify right side
4,128,509,551.80x = 25,566,886,678,955,757,568 - Step 5: Solve for x
x = 25,566,886,678,955,757,568/4,128,509,551.80 - Step 6: Final answer
x = 6,192,764,327.70
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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.