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Finding the Fourth Proportional to 1,327,620,666.90, 1,855,040,963.10 and 1,327,620,666.90

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Solution

The fourth proportional to 1,327,620,666.90, 1,855,040,963.10 and 1,327,620,666.90 is: 1,855,040,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,620,666.90 : 1,855,040,963.10 = 1,327,620,666.90 : x
  2. Step 2: Convert to fraction form
    1,327,620,666.90/1,855,040,963.10 = 1,327,620,666.90/x
  3. Step 3: Cross multiply
    1,327,620,666.90x = 1,855,040,963.10 × 1,327,620,666.90
  4. Step 4: Simplify right side
    1,327,620,666.90x = 2,462,790,720,557,640,192
  5. Step 5: Solve for x
    x = 2,462,790,720,557,640,192/1,327,620,666.90
  6. Step 6: Final answer
    x = 1,855,040,963.10

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1.5x scale

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.