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Finding the Fourth Proportional to 2,378,618,999.65, 3,567,928,499.48 and 2,378,618,999.65

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Solution

The fourth proportional to 2,378,618,999.65, 3,567,928,499.48 and 2,378,618,999.65 is: 3,567,928,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,618,999.65 : 3,567,928,499.48 = 2,378,618,999.65 : x
  2. Step 2: Convert to fraction form
    2,378,618,999.65/3,567,928,499.48 = 2,378,618,999.65/x
  3. Step 3: Cross multiply
    2,378,618,999.65x = 3,567,928,499.48 × 2,378,618,999.65
  4. Step 4: Simplify right side
    2,378,618,999.65x = 8,486,742,518,255,843,328
  5. Step 5: Solve for x
    x = 8,486,742,518,255,843,328/2,378,618,999.65
  6. Step 6: Final answer
    x = 3,567,928,499.48

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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.