Finding the Fourth Proportional to 531,291,078.09, 733,416,787.70 and 343,211,077.38
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Solution
The fourth proportional to 531,291,078.09, 733,416,787.70 and 343,211,077.38 is: 473,783,160.03
Step by Step Solution
- Step 1: Write the proportion equation
531,291,078.09 : 733,416,787.70 = 343,211,077.38 : x - Step 2: Convert to fraction form
531,291,078.09/733,416,787.70 = 343,211,077.38/x - Step 3: Cross multiply
531,291,078.09x = 733,416,787.70 × 343,211,077.38 - Step 4: Simplify right side
531,291,078.09x = 251,716,765,873,379,680 - Step 5: Solve for x
x = 251,716,765,873,379,680/531,291,078.09 - Step 6: Final answer
x = 473,783,160.03
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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.