Finding the Fourth Proportional to 367,748,470.20, 507,496,351.74 and 202,741,944.60
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Solution
The fourth proportional to 367,748,470.20, 507,496,351.74 and 202,741,944.60 is: 279,785,792.65
Step by Step Solution
- Step 1: Write the proportion equation
367,748,470.20 : 507,496,351.74 = 202,741,944.60 : x - Step 2: Convert to fraction form
367,748,470.20/507,496,351.74 = 202,741,944.60/x - Step 3: Cross multiply
367,748,470.20x = 507,496,351.74 × 202,741,944.60 - Step 4: Simplify right side
367,748,470.20x = 102,890,797,229,173,200 - Step 5: Solve for x
x = 102,890,797,229,173,200/367,748,470.20 - Step 6: Final answer
x = 279,785,792.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.