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Finding the Fourth Proportional to 28,974,760,806.60, 43,462,141,209.90 and 28,974,760,806.60

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Solution

The fourth proportional to 28,974,760,806.60, 43,462,141,209.90 and 28,974,760,806.60 is: 43,462,141,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974,760,806.60 : 43,462,141,209.90 = 28,974,760,806.60 : x
  2. Step 2: Convert to fraction form
    28,974,760,806.60/43,462,141,209.90 = 28,974,760,806.60/x
  3. Step 3: Cross multiply
    28,974,760,806.60x = 43,462,141,209.90 × 28,974,760,806.60
  4. Step 4: Simplify right side
    28,974,760,806.60x = 1,259,305,145,699,525,197,824
  5. Step 5: Solve for x
    x = 1,259,305,145,699,525,197,824/28,974,760,806.60
  6. Step 6: Final answer
    x = 43,462,141,209.90

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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.