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Finding the Fourth Proportional to 2,126,019,626.60, 3,189,029,439.90 and 2,126,019,626.60

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Solution

The fourth proportional to 2,126,019,626.60, 3,189,029,439.90 and 2,126,019,626.60 is: 3,189,029,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,019,626.60 : 3,189,029,439.90 = 2,126,019,626.60 : x
  2. Step 2: Convert to fraction form
    2,126,019,626.60/3,189,029,439.90 = 2,126,019,626.60/x
  3. Step 3: Cross multiply
    2,126,019,626.60x = 3,189,029,439.90 × 2,126,019,626.60
  4. Step 4: Simplify right side
    2,126,019,626.60x = 6,779,939,179,032,604,672
  5. Step 5: Solve for x
    x = 6,779,939,179,032,604,672/2,126,019,626.60
  6. Step 6: Final answer
    x = 3,189,029,439.90

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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.