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Finding the Fourth Proportional to 1,069,848,005.40, 1,494,726,107.40 and 1,069,848,005.40

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Solution

The fourth proportional to 1,069,848,005.40, 1,494,726,107.40 and 1,069,848,005.40 is: 1,494,726,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,848,005.40 : 1,494,726,107.40 = 1,069,848,005.40 : x
  2. Step 2: Convert to fraction form
    1,069,848,005.40/1,494,726,107.40 = 1,069,848,005.40/x
  3. Step 3: Cross multiply
    1,069,848,005.40x = 1,494,726,107.40 × 1,069,848,005.40
  4. Step 4: Simplify right side
    1,069,848,005.40x = 1,599,129,744,621,196,288
  5. Step 5: Solve for x
    x = 1,599,129,744,621,196,288/1,069,848,005.40
  6. Step 6: Final answer
    x = 1,494,726,107.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.