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Finding the Fourth Proportional to 2,690,668,860.90, 4,036,003,291.35 and 2,690,668,860.90

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Solution

The fourth proportional to 2,690,668,860.90, 4,036,003,291.35 and 2,690,668,860.90 is: 4,036,003,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,668,860.90 : 4,036,003,291.35 = 2,690,668,860.90 : x
  2. Step 2: Convert to fraction form
    2,690,668,860.90/4,036,003,291.35 = 2,690,668,860.90/x
  3. Step 3: Cross multiply
    2,690,668,860.90x = 4,036,003,291.35 × 2,690,668,860.90
  4. Step 4: Simplify right side
    2,690,668,860.90x = 10,859,548,378,525,356,032
  5. Step 5: Solve for x
    x = 10,859,548,378,525,356,032/2,690,668,860.90
  6. Step 6: Final answer
    x = 4,036,003,291.35

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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.