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Finding the Fourth Proportional to 1,057,647,425.05, 1,482,236,945.15 and 1,057,647,425.05

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Solution

The fourth proportional to 1,057,647,425.05, 1,482,236,945.15 and 1,057,647,425.05 is: 1,482,236,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,647,425.05 : 1,482,236,945.15 = 1,057,647,425.05 : x
  2. Step 2: Convert to fraction form
    1,057,647,425.05/1,482,236,945.15 = 1,057,647,425.05/x
  3. Step 3: Cross multiply
    1,057,647,425.05x = 1,482,236,945.15 × 1,057,647,425.05
  4. Step 4: Simplify right side
    1,057,647,425.05x = 1,567,684,088,351,875,584
  5. Step 5: Solve for x
    x = 1,567,684,088,351,875,584/1,057,647,425.05
  6. Step 6: Final answer
    x = 1,482,236,945.15

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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.