Finding the Fourth Proportional to 1,412,925,951.44, 1,949,881,147.08 and 786,429,183.44
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Solution
The fourth proportional to 1,412,925,951.44, 1,949,881,147.08 and 786,429,183.44 is: 1,085,296,392.74
Step by Step Solution
- Step 1: Write the proportion equation
1,412,925,951.44 : 1,949,881,147.08 = 786,429,183.44 : x - Step 2: Convert to fraction form
1,412,925,951.44/1,949,881,147.08 = 786,429,183.44/x - Step 3: Cross multiply
1,412,925,951.44x = 1,949,881,147.08 × 786,429,183.44 - Step 4: Simplify right side
1,412,925,951.44x = 1,533,443,438,303,174,912 - Step 5: Solve for x
x = 1,533,443,438,303,174,912/1,412,925,951.44 - Step 6: Final answer
x = 1,085,296,392.74
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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.