Finding the Fourth Proportional to 3,617,266,969.20, 5,425,900,453.80 and 1,163,603,872.20
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Solution
The fourth proportional to 3,617,266,969.20, 5,425,900,453.80 and 1,163,603,872.20 is: 1,745,405,808.30
Step by Step Solution
- Step 1: Write the proportion equation
3,617,266,969.20 : 5,425,900,453.80 = 1,163,603,872.20 : x - Step 2: Convert to fraction form
3,617,266,969.20/5,425,900,453.80 = 1,163,603,872.20/x - Step 3: Cross multiply
3,617,266,969.20x = 5,425,900,453.80 × 1,163,603,872.20 - Step 4: Simplify right side
3,617,266,969.20x = 6,313,598,778,213,417,984 - Step 5: Solve for x
x = 6,313,598,778,213,417,984/3,617,266,969.20 - Step 6: Final answer
x = 1,745,405,808.30
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1.5x scale
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.