Finding the Fourth Proportional to 3,491,558,366.58, 4,818,282,246.81 and 1,905,661,695.06
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Solution
The fourth proportional to 3,491,558,366.58, 4,818,282,246.81 and 1,905,661,695.06 is: 2,629,775,862.15
Step by Step Solution
- Step 1: Write the proportion equation
3,491,558,366.58 : 4,818,282,246.81 = 1,905,661,695.06 : x - Step 2: Convert to fraction form
3,491,558,366.58/4,818,282,246.81 = 1,905,661,695.06/x - Step 3: Cross multiply
3,491,558,366.58x = 4,818,282,246.81 × 1,905,661,695.06 - Step 4: Simplify right side
3,491,558,366.58x = 9,182,015,913,733,450,752 - Step 5: Solve for x
x = 9,182,015,913,733,450,752/3,491,558,366.58 - Step 6: Final answer
x = 2,629,775,862.15
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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.