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Finding the Fourth Proportional to 2,690,668,851.65, 4,036,003,277.48 and 2,690,668,851.65

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Solution

The fourth proportional to 2,690,668,851.65, 4,036,003,277.48 and 2,690,668,851.65 is: 4,036,003,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,668,851.65 : 4,036,003,277.48 = 2,690,668,851.65 : x
  2. Step 2: Convert to fraction form
    2,690,668,851.65/4,036,003,277.48 = 2,690,668,851.65/x
  3. Step 3: Cross multiply
    2,690,668,851.65x = 4,036,003,277.48 × 2,690,668,851.65
  4. Step 4: Simplify right side
    2,690,668,851.65x = 10,859,548,303,859,294,208
  5. Step 5: Solve for x
    x = 10,859,548,303,859,294,208/2,690,668,851.65
  6. Step 6: Final answer
    x = 4,036,003,277.48

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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.