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Finding the Fourth Proportional to 1,224,780,919.40, 1,837,171,379.10 and 1,224,780,919.40

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Solution

The fourth proportional to 1,224,780,919.40, 1,837,171,379.10 and 1,224,780,919.40 is: 1,837,171,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,780,919.40 : 1,837,171,379.10 = 1,224,780,919.40 : x
  2. Step 2: Convert to fraction form
    1,224,780,919.40/1,837,171,379.10 = 1,224,780,919.40/x
  3. Step 3: Cross multiply
    1,224,780,919.40x = 1,837,171,379.10 × 1,224,780,919.40
  4. Step 4: Simplify right side
    1,224,780,919.40x = 2,250,132,450,789,464,064
  5. Step 5: Solve for x
    x = 2,250,132,450,789,464,064/1,224,780,919.40
  6. Step 6: Final answer
    x = 1,837,171,379.10

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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.