Finding the Fourth Proportional to 2,758,142,137.09, 3,806,316,901.97 and 1,505,159,754.79
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Solution
The fourth proportional to 2,758,142,137.09, 3,806,316,901.97 and 1,505,159,754.79 is: 2,077,164,529.62
Step by Step Solution
- Step 1: Write the proportion equation
2,758,142,137.09 : 3,806,316,901.97 = 1,505,159,754.79 : x - Step 2: Convert to fraction form
2,758,142,137.09/3,806,316,901.97 = 1,505,159,754.79/x - Step 3: Cross multiply
2,758,142,137.09x = 3,806,316,901.97 × 1,505,159,754.79 - Step 4: Simplify right side
2,758,142,137.09x = 5,729,115,014,822,197,248 - Step 5: Solve for x
x = 5,729,115,014,822,197,248/2,758,142,137.09 - Step 6: Final answer
x = 2,077,164,529.62
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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.