Finding the Fourth Proportional to 742,753,107.20, 1,114,129,660.80 and 742,753,107.20
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Solution
The fourth proportional to 742,753,107.20, 1,114,129,660.80 and 742,753,107.20 is: 1,114,129,660.80
Step by Step Solution
- Step 1: Write the proportion equation
742,753,107.20 : 1,114,129,660.80 = 742,753,107.20 : x - Step 2: Convert to fraction form
742,753,107.20/1,114,129,660.80 = 742,753,107.20/x - Step 3: Cross multiply
742,753,107.20x = 1,114,129,660.80 × 742,753,107.20 - Step 4: Simplify right side
742,753,107.20x = 827,523,267,382,882,048 - Step 5: Solve for x
x = 827,523,267,382,882,048/742,753,107.20 - Step 6: Final answer
x = 1,114,129,660.80
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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.