Finding the Fourth Proportional to 416,125,334.54, 574,252,951.20 and 230,498,307.68
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Solution
The fourth proportional to 416,125,334.54, 574,252,951.20 and 230,498,307.68 is: 318,087,658.80
Step by Step Solution
- Step 1: Write the proportion equation
416,125,334.54 : 574,252,951.20 = 230,498,307.68 : x - Step 2: Convert to fraction form
416,125,334.54/574,252,951.20 = 230,498,307.68/x - Step 3: Cross multiply
416,125,334.54x = 574,252,951.20 × 230,498,307.68 - Step 4: Simplify right side
416,125,334.54x = 132,364,333,431,845,648 - Step 5: Solve for x
x = 132,364,333,431,845,648/416,125,334.54 - Step 6: Final answer
x = 318,087,658.80
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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.