Finding the Fourth Proportional to 2,239,491,620.20, 3,359,237,430.30 and 785,616,010.60
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Solution
The fourth proportional to 2,239,491,620.20, 3,359,237,430.30 and 785,616,010.60 is: 1,178,424,015.90
Step by Step Solution
- Step 1: Write the proportion equation
2,239,491,620.20 : 3,359,237,430.30 = 785,616,010.60 : x - Step 2: Convert to fraction form
2,239,491,620.20/3,359,237,430.30 = 785,616,010.60/x - Step 3: Cross multiply
2,239,491,620.20x = 3,359,237,430.30 × 785,616,010.60 - Step 4: Simplify right side
2,239,491,620.20x = 2,639,070,708,650,481,664 - Step 5: Solve for x
x = 2,639,070,708,650,481,664/2,239,491,620.20 - Step 6: Final answer
x = 1,178,424,015.90
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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.