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Finding the Fourth Proportional to 893,856,605.40, 1,340,784,908.10 and 893,856,605.40

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Solution

The fourth proportional to 893,856,605.40, 1,340,784,908.10 and 893,856,605.40 is: 1,340,784,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,856,605.40 : 1,340,784,908.10 = 893,856,605.40 : x
  2. Step 2: Convert to fraction form
    893,856,605.40/1,340,784,908.10 = 893,856,605.40/x
  3. Step 3: Cross multiply
    893,856,605.40x = 1,340,784,908.10 × 893,856,605.40
  4. Step 4: Simplify right side
    893,856,605.40x = 1,198,469,446,525,816,832
  5. Step 5: Solve for x
    x = 1,198,469,446,525,816,832/893,856,605.40
  6. Step 6: Final answer
    x = 1,340,784,908.10

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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.