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Finding the Fourth Proportional to 1,489,788,510.90, 2,234,682,766.35 and 1,489,788,510.90

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Solution

The fourth proportional to 1,489,788,510.90, 2,234,682,766.35 and 1,489,788,510.90 is: 2,234,682,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,788,510.90 : 2,234,682,766.35 = 1,489,788,510.90 : x
  2. Step 2: Convert to fraction form
    1,489,788,510.90/2,234,682,766.35 = 1,489,788,510.90/x
  3. Step 3: Cross multiply
    1,489,788,510.90x = 2,234,682,766.35 × 1,489,788,510.90
  4. Step 4: Simplify right side
    1,489,788,510.90x = 3,329,204,710,814,459,392
  5. Step 5: Solve for x
    x = 3,329,204,710,814,459,392/1,489,788,510.90
  6. Step 6: Final answer
    x = 2,234,682,766.35

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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.