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Finding the Fourth Proportional to 2,806,065,538.65, 3,934,941,479.55 and 2,806,065,538.65

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Solution

The fourth proportional to 2,806,065,538.65, 3,934,941,479.55 and 2,806,065,538.65 is: 3,934,941,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,065,538.65 : 3,934,941,479.55 = 2,806,065,538.65 : x
  2. Step 2: Convert to fraction form
    2,806,065,538.65/3,934,941,479.55 = 2,806,065,538.65/x
  3. Step 3: Cross multiply
    2,806,065,538.65x = 3,934,941,479.55 × 2,806,065,538.65
  4. Step 4: Simplify right side
    2,806,065,538.65x = 11,041,703,682,369,699,840
  5. Step 5: Solve for x
    x = 11,041,703,682,369,699,840/2,806,065,538.65
  6. Step 6: Final answer
    x = 3,934,941,479.55

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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.