Finding the Fourth Proportional to 446,874,258.03, 670,336,564.28 and 135,991,984.47
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Solution
The fourth proportional to 446,874,258.03, 670,336,564.28 and 135,991,984.47 is: 203,995,638.60
Step by Step Solution
- Step 1: Write the proportion equation
446,874,258.03 : 670,336,564.28 = 135,991,984.47 : x - Step 2: Convert to fraction form
446,874,258.03/670,336,564.28 = 135,991,984.47/x - Step 3: Cross multiply
446,874,258.03x = 670,336,564.28 × 135,991,984.47 - Step 4: Simplify right side
446,874,258.03x = 91,160,399,638,558,960 - Step 5: Solve for x
x = 91,160,399,638,558,960/446,874,258.03 - Step 6: Final answer
x = 203,995,638.60
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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.