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Finding the Fourth Proportional to 8,990,784,007.30, 13,468,036,158.15 and 8,990,784,007.30

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Solution

The fourth proportional to 8,990,784,007.30, 13,468,036,158.15 and 8,990,784,007.30 is: 13,468,036,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,784,007.30 : 13,468,036,158.15 = 8,990,784,007.30 : x
  2. Step 2: Convert to fraction form
    8,990,784,007.30/13,468,036,158.15 = 8,990,784,007.30/x
  3. Step 3: Cross multiply
    8,990,784,007.30x = 13,468,036,158.15 × 8,990,784,007.30
  4. Step 4: Simplify right side
    8,990,784,007.30x = 121,088,204,100,433,133,568
  5. Step 5: Solve for x
    x = 121,088,204,100,433,133,568/8,990,784,007.30
  6. Step 6: Final answer
    x = 13,468,036,158.15

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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.