Finding the Fourth Proportional to 498,313,380.12, 682,677,908.49 and 479,682,740.76
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Solution
The fourth proportional to 498,313,380.12, 682,677,908.49 and 479,682,740.76 is: 657,154,359.62
Step by Step Solution
- Step 1: Write the proportion equation
498,313,380.12 : 682,677,908.49 = 479,682,740.76 : x - Step 2: Convert to fraction form
498,313,380.12/682,677,908.49 = 479,682,740.76/x - Step 3: Cross multiply
498,313,380.12x = 682,677,908.49 × 479,682,740.76 - Step 4: Simplify right side
498,313,380.12x = 327,468,810,200,787,648 - Step 5: Solve for x
x = 327,468,810,200,787,648/498,313,380.12 - Step 6: Final answer
x = 657,154,359.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.