Finding the Fourth Proportional to 2,192,423,113.63, 3,287,321,357.12 and 697,809,063.79
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Solution
The fourth proportional to 2,192,423,113.63, 3,287,321,357.12 and 697,809,063.79 is: 1,046,295,591.54
Step by Step Solution
- Step 1: Write the proportion equation
2,192,423,113.63 : 3,287,321,357.12 = 697,809,063.79 : x - Step 2: Convert to fraction form
2,192,423,113.63/3,287,321,357.12 = 697,809,063.79/x - Step 3: Cross multiply
2,192,423,113.63x = 3,287,321,357.12 × 697,809,063.79 - Step 4: Simplify right side
2,192,423,113.63x = 2,293,922,638,588,779,264 - Step 5: Solve for x
x = 2,293,922,638,588,779,264/2,192,423,113.63 - Step 6: Final answer
x = 1,046,295,591.54
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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.