Finding the Fourth Proportional to 1,504,665,660.45, 2,256,998,490.68 and 915,403,879.65
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Solution
The fourth proportional to 1,504,665,660.45, 2,256,998,490.68 and 915,403,879.65 is: 1,373,105,819.48
Step by Step Solution
- Step 1: Write the proportion equation
1,504,665,660.45 : 2,256,998,490.68 = 915,403,879.65 : x - Step 2: Convert to fraction form
1,504,665,660.45/2,256,998,490.68 = 915,403,879.65/x - Step 3: Cross multiply
1,504,665,660.45x = 2,256,998,490.68 × 915,403,879.65 - Step 4: Simplify right side
1,504,665,660.45x = 2,066,065,174,728,089,344 - Step 5: Solve for x
x = 2,066,065,174,728,089,344/1,504,665,660.45 - Step 6: Final answer
x = 1,373,105,819.48
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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.