Finding the Fourth Proportional to 2,428,391,478.83, 3,351,203,344.49 and 1,424,826,120.65
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Solution
The fourth proportional to 2,428,391,478.83, 3,351,203,344.49 and 1,424,826,120.65 is: 1,966,273,602.28
Step by Step Solution
- Step 1: Write the proportion equation
2,428,391,478.83 : 3,351,203,344.49 = 1,424,826,120.65 : x - Step 2: Convert to fraction form
2,428,391,478.83/3,351,203,344.49 = 1,424,826,120.65/x - Step 3: Cross multiply
2,428,391,478.83x = 3,351,203,344.49 × 1,424,826,120.65 - Step 4: Simplify right side
2,428,391,478.83x = 4,774,882,060,815,112,192 - Step 5: Solve for x
x = 4,774,882,060,815,112,192/2,428,391,478.83 - Step 6: Final answer
x = 1,966,273,602.28
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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.