Finding the Fourth Proportional to 451,962,025.80, 677,943,038.70 and 149,382,313.80
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Solution
The fourth proportional to 451,962,025.80, 677,943,038.70 and 149,382,313.80 is: 224,073,470.70
Step by Step Solution
- Step 1: Write the proportion equation
451,962,025.80 : 677,943,038.70 = 149,382,313.80 : x - Step 2: Convert to fraction form
451,962,025.80/677,943,038.70 = 149,382,313.80/x - Step 3: Cross multiply
451,962,025.80x = 677,943,038.70 × 149,382,313.80 - Step 4: Simplify right side
451,962,025.80x = 101,272,699,745,608,960 - Step 5: Solve for x
x = 101,272,699,745,608,960/451,962,025.80 - Step 6: Final answer
x = 224,073,470.70
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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.