Finding the Fourth Proportional to 1,036,887,183.54, 1,555,332,352.99 and 423,471,409.29
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Solution
The fourth proportional to 1,036,887,183.54, 1,555,332,352.99 and 423,471,409.29 is: 635,207,758.27
Step by Step Solution
- Step 1: Write the proportion equation
1,036,887,183.54 : 1,555,332,352.99 = 423,471,409.29 : x - Step 2: Convert to fraction form
1,036,887,183.54/1,555,332,352.99 = 423,471,409.29/x - Step 3: Cross multiply
1,036,887,183.54x = 1,555,332,352.99 × 423,471,409.29 - Step 4: Simplify right side
1,036,887,183.54x = 658,638,783,433,948,416 - Step 5: Solve for x
x = 658,638,783,433,948,416/1,036,887,183.54 - Step 6: Final answer
x = 635,207,758.27
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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.