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Finding the Fourth Proportional to 28,702,901,203.30, 43,054,351,804.95 and 28,702,901,203.30

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Solution

The fourth proportional to 28,702,901,203.30, 43,054,351,804.95 and 28,702,901,203.30 is: 43,054,351,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,901,203.30 : 43,054,351,804.95 = 28,702,901,203.30 : x
  2. Step 2: Convert to fraction form
    28,702,901,203.30/43,054,351,804.95 = 28,702,901,203.30/x
  3. Step 3: Cross multiply
    28,702,901,203.30x = 43,054,351,804.95 × 28,702,901,203.30
  4. Step 4: Simplify right side
    28,702,901,203.30x = 1,235,784,806,229,600,632,832
  5. Step 5: Solve for x
    x = 1,235,784,806,229,600,632,832/28,702,901,203.30
  6. Step 6: Final answer
    x = 43,054,351,804.95

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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.