Finding the Fourth Proportional to 28,460,436,780,854, 39,276,231,251,960 and 16,128,005,787,728
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Solution
The fourth proportional to 28,460,436,780,854, 39,276,231,251,960 and 16,128,005,787,728 is: 22,257,117,479,584.46
Step by Step Solution
- Step 1: Write the proportion equation
28,460,436,780,854 : 39,276,231,251,960 = 16,128,005,787,728 : x - Step 2: Convert to fraction form
28,460,436,780,854/39,276,231,251,960 = 16,128,005,787,728/x - Step 3: Cross multiply
28,460,436,780,854x = 39,276,231,251,960 × 16,128,005,787,728 - Step 4: Simplify right side
28,460,436,780,854x = 633,447,284,951,754,167,757,570,048 - Step 5: Solve for x
x = 633,447,284,951,754,167,757,570,048/28,460,436,780,854 - Step 6: Final answer
x = 22,257,117,479,584.46
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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.