Finding the Fourth Proportional to 2,858,068,947.44, 4,285,631,412.60 and 1,282,825,836.70
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Solution
The fourth proportional to 2,858,068,947.44, 4,285,631,412.60 and 1,282,825,836.70 is: 1,923,578,053.48
Step by Step Solution
- Step 1: Write the proportion equation
2,858,068,947.44 : 4,285,631,412.60 = 1,282,825,836.70 : x - Step 2: Convert to fraction form
2,858,068,947.44/4,285,631,412.60 = 1,282,825,836.70/x - Step 3: Cross multiply
2,858,068,947.44x = 4,285,631,412.60 × 1,282,825,836.70 - Step 4: Simplify right side
2,858,068,947.44x = 5,497,718,702,640,937,984 - Step 5: Solve for x
x = 5,497,718,702,640,937,984/2,858,068,947.44 - Step 6: Final answer
x = 1,923,578,053.48
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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.