Home / 16,380,747,934.68-22,621,044,320.18-15,488,336,227.80

Finding the Fourth Proportional to 16,380,747,934.68, 22,621,044,320.18 and 15,488,336,227.80

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Solution

The fourth proportional to 16,380,747,934.68, 22,621,044,320.18 and 15,488,336,227.80 is: 21,388,665,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380,747,934.68 : 22,621,044,320.18 = 15,488,336,227.80 : x
  2. Step 2: Convert to fraction form
    16,380,747,934.68/22,621,044,320.18 = 15,488,336,227.80/x
  3. Step 3: Cross multiply
    16,380,747,934.68x = 22,621,044,320.18 × 15,488,336,227.80
  4. Step 4: Simplify right side
    16,380,747,934.68x = 350,362,340,254,913,331,200
  5. Step 5: Solve for x
    x = 350,362,340,254,913,331,200/16,380,747,934.68
  6. Step 6: Final answer
    x = 21,388,665,624.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.