Finding the Fourth Proportional to 1,174,879,882.46, 1,621,453,158.74 and 673,155,216.99
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Solution
The fourth proportional to 1,174,879,882.46, 1,621,453,158.74 and 673,155,216.99 is: 929,022,335.99
Step by Step Solution
- Step 1: Write the proportion equation
1,174,879,882.46 : 1,621,453,158.74 = 673,155,216.99 : x - Step 2: Convert to fraction form
1,174,879,882.46/1,621,453,158.74 = 673,155,216.99/x - Step 3: Cross multiply
1,174,879,882.46x = 1,621,453,158.74 × 673,155,216.99 - Step 4: Simplify right side
1,174,879,882.46x = 1,091,489,652,912,428,544 - Step 5: Solve for x
x = 1,091,489,652,912,428,544/1,174,879,882.46 - Step 6: Final answer
x = 929,022,335.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.