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Finding the Fourth Proportional to 1,992,901,750.35, 2,989,352,625.53 and 1,992,901,750.35

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Solution

The fourth proportional to 1,992,901,750.35, 2,989,352,625.53 and 1,992,901,750.35 is: 2,989,352,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,901,750.35 : 2,989,352,625.53 = 1,992,901,750.35 : x
  2. Step 2: Convert to fraction form
    1,992,901,750.35/2,989,352,625.53 = 1,992,901,750.35/x
  3. Step 3: Cross multiply
    1,992,901,750.35x = 2,989,352,625.53 × 1,992,901,750.35
  4. Step 4: Simplify right side
    1,992,901,750.35x = 5,957,486,079,822,140,416
  5. Step 5: Solve for x
    x = 5,957,486,079,822,140,416/1,992,901,750.35
  6. Step 6: Final answer
    x = 2,989,352,625.53

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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.