Finding the Fourth Proportional to 1,469,828,809.05, 2,204,743,213.58 and 735,164,770.65
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Solution
The fourth proportional to 1,469,828,809.05, 2,204,743,213.58 and 735,164,770.65 is: 1,102,747,155.98
Step by Step Solution
- Step 1: Write the proportion equation
1,469,828,809.05 : 2,204,743,213.58 = 735,164,770.65 : x - Step 2: Convert to fraction form
1,469,828,809.05/2,204,743,213.58 = 735,164,770.65/x - Step 3: Cross multiply
1,469,828,809.05x = 2,204,743,213.58 × 735,164,770.65 - Step 4: Simplify right side
1,469,828,809.05x = 1,620,849,538,950,008,576 - Step 5: Solve for x
x = 1,620,849,538,950,008,576/1,469,828,809.05 - Step 6: Final answer
x = 1,102,747,155.98
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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.