Finding the Fourth Proportional to 673,819,634.79, 1,010,728,096.79 and 632,815,590.99
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Solution
The fourth proportional to 673,819,634.79, 1,010,728,096.79 and 632,815,590.99 is: 949,222,113.57
Step by Step Solution
- Step 1: Write the proportion equation
673,819,634.79 : 1,010,728,096.79 = 632,815,590.99 : x - Step 2: Convert to fraction form
673,819,634.79/1,010,728,096.79 = 632,815,590.99/x - Step 3: Cross multiply
673,819,634.79x = 1,010,728,096.79 × 632,815,590.99 - Step 4: Simplify right side
673,819,634.79x = 639,604,497,897,197,696 - Step 5: Solve for x
x = 639,604,497,897,197,696/673,819,634.79 - Step 6: Final answer
x = 949,222,113.57
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1.5x scale
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.