Finding the Fourth Proportional to 488,974,481.20, 674,723,537.99 and 330,549,305.81
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Solution
The fourth proportional to 488,974,481.20, 674,723,537.99 and 330,549,305.81 is: 456,116,639.36
Step by Step Solution
- Step 1: Write the proportion equation
488,974,481.20 : 674,723,537.99 = 330,549,305.81 : x - Step 2: Convert to fraction form
488,974,481.20/674,723,537.99 = 330,549,305.81/x - Step 3: Cross multiply
488,974,481.20x = 674,723,537.99 × 330,549,305.81 - Step 4: Simplify right side
488,974,481.20x = 223,029,397,096,261,664 - Step 5: Solve for x
x = 223,029,397,096,261,664/488,974,481.20 - Step 6: Final answer
x = 456,116,639.36
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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.