Finding the Fourth Proportional to 399,331,053.72, 598,599,771.28 and 277,907,414.04
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Solution
The fourth proportional to 399,331,053.72, 598,599,771.28 and 277,907,414.04 is: 416,584,968.62
Step by Step Solution
- Step 1: Write the proportion equation
399,331,053.72 : 598,599,771.28 = 277,907,414.04 : x - Step 2: Convert to fraction form
399,331,053.72/598,599,771.28 = 277,907,414.04/x - Step 3: Cross multiply
399,331,053.72x = 598,599,771.28 × 277,907,414.04 - Step 4: Simplify right side
399,331,053.72x = 166,355,314,481,360,256 - Step 5: Solve for x
x = 166,355,314,481,360,256/399,331,053.72 - Step 6: Final answer
x = 416,584,968.62
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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.