Finding the Fourth Proportional to 480,901,780.81, 663,588,470.21 and 269,220,202.79
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Solution
The fourth proportional to 480,901,780.81, 663,588,470.21 and 269,220,202.79 is: 371,492,536.83
Step by Step Solution
- Step 1: Write the proportion equation
480,901,780.81 : 663,588,470.21 = 269,220,202.79 : x - Step 2: Convert to fraction form
480,901,780.81/663,588,470.21 = 269,220,202.79/x - Step 3: Cross multiply
480,901,780.81x = 663,588,470.21 × 269,220,202.79 - Step 4: Simplify right side
480,901,780.81x = 178,651,422,519,354,976 - Step 5: Solve for x
x = 178,651,422,519,354,976/480,901,780.81 - Step 6: Final answer
x = 371,492,536.83
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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.