Finding the Fourth Proportional to 425,894,828.58, 587,736,634.05 and 230,324,540.58
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Solution
The fourth proportional to 425,894,828.58, 587,736,634.05 and 230,324,540.58 is: 317,848,823.55
Step by Step Solution
- Step 1: Write the proportion equation
425,894,828.58 : 587,736,634.05 = 230,324,540.58 : x - Step 2: Convert to fraction form
425,894,828.58/587,736,634.05 = 230,324,540.58/x - Step 3: Cross multiply
425,894,828.58x = 587,736,634.05 × 230,324,540.58 - Step 4: Simplify right side
425,894,828.58x = 135,370,170,219,601,824 - Step 5: Solve for x
x = 135,370,170,219,601,824/425,894,828.58 - Step 6: Final answer
x = 317,848,823.55
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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.