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Finding the Fourth Proportional to 1,545,804,918.90, 2,318,707,378.35 and 1,545,804,918.90

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Solution

The fourth proportional to 1,545,804,918.90, 2,318,707,378.35 and 1,545,804,918.90 is: 2,318,707,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,804,918.90 : 2,318,707,378.35 = 1,545,804,918.90 : x
  2. Step 2: Convert to fraction form
    1,545,804,918.90/2,318,707,378.35 = 1,545,804,918.90/x
  3. Step 3: Cross multiply
    1,545,804,918.90x = 2,318,707,378.35 × 1,545,804,918.90
  4. Step 4: Simplify right side
    1,545,804,918.90x = 3,584,269,270,943,153,664
  5. Step 5: Solve for x
    x = 3,584,269,270,943,153,664/1,545,804,918.90
  6. Step 6: Final answer
    x = 2,318,707,378.35

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1.5x scale

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.