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Finding the Fourth Proportional to 1,545,804,912.15, 2,318,707,368.23 and 1,545,804,912.15

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Solution

The fourth proportional to 1,545,804,912.15, 2,318,707,368.23 and 1,545,804,912.15 is: 2,318,707,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,804,912.15 : 2,318,707,368.23 = 1,545,804,912.15 : x
  2. Step 2: Convert to fraction form
    1,545,804,912.15/2,318,707,368.23 = 1,545,804,912.15/x
  3. Step 3: Cross multiply
    1,545,804,912.15x = 2,318,707,368.23 × 1,545,804,912.15
  4. Step 4: Simplify right side
    1,545,804,912.15x = 3,584,269,239,640,603,648
  5. Step 5: Solve for x
    x = 3,584,269,239,640,603,648/1,545,804,912.15
  6. Step 6: Final answer
    x = 2,318,707,368.23

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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.