Finding the Fourth Proportional to 2,087,763,511.95, 2,881,093,391.11 and 1,135,144,236.71
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Solution
The fourth proportional to 2,087,763,511.95, 2,881,093,391.11 and 1,135,144,236.71 is: 1,566,488,033.55
Step by Step Solution
- Step 1: Write the proportion equation
2,087,763,511.95 : 2,881,093,391.11 = 1,135,144,236.71 : x - Step 2: Convert to fraction form
2,087,763,511.95/2,881,093,391.11 = 1,135,144,236.71/x - Step 3: Cross multiply
2,087,763,511.95x = 2,881,093,391.11 × 1,135,144,236.71 - Step 4: Simplify right side
2,087,763,511.95x = 3,270,456,558,353,520,128 - Step 5: Solve for x
x = 3,270,456,558,353,520,128/2,087,763,511.95 - Step 6: Final answer
x = 1,566,488,033.55
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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.