Finding the Fourth Proportional to 349,628,541.36, 482,498,806.80 and 190,867,129.68
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Solution
The fourth proportional to 349,628,541.36, 482,498,806.80 and 190,867,129.68 is: 263,402,873.15
Step by Step Solution
- Step 1: Write the proportion equation
349,628,541.36 : 482,498,806.80 = 190,867,129.68 : x - Step 2: Convert to fraction form
349,628,541.36/482,498,806.80 = 190,867,129.68/x - Step 3: Cross multiply
349,628,541.36x = 482,498,806.80 × 190,867,129.68 - Step 4: Simplify right side
349,628,541.36x = 92,093,162,327,940,864 - Step 5: Solve for x
x = 92,093,162,327,940,864/349,628,541.36 - Step 6: Final answer
x = 263,402,873.15
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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.