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Finding the Fourth Proportional to 3,189,436,700.40, 4,784,155,050.60 and 3,189,436,700.40

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Solution

The fourth proportional to 3,189,436,700.40, 4,784,155,050.60 and 3,189,436,700.40 is: 4,784,155,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,436,700.40 : 4,784,155,050.60 = 3,189,436,700.40 : x
  2. Step 2: Convert to fraction form
    3,189,436,700.40/4,784,155,050.60 = 3,189,436,700.40/x
  3. Step 3: Cross multiply
    3,189,436,700.40x = 4,784,155,050.60 × 3,189,436,700.40
  4. Step 4: Simplify right side
    3,189,436,700.40x = 15,258,759,698,787,659,776
  5. Step 5: Solve for x
    x = 15,258,759,698,787,659,776/3,189,436,700.40
  6. Step 6: Final answer
    x = 4,784,155,050.60

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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.