Home / 15,187,675,596,478-20,960,789,113,636-9,021,689,491,195.20

Finding the Fourth Proportional to 15,187,675,596,478, 20,960,789,113,636 and 9,021,689,491,195.20

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Solution

The fourth proportional to 15,187,675,596,478, 20,960,789,113,636 and 9,021,689,491,195.20 is: 12,450,998,816,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187,675,596,478 : 20,960,789,113,636 = 9,021,689,491,195.20 : x
  2. Step 2: Convert to fraction form
    15,187,675,596,478/20,960,789,113,636 = 9,021,689,491,195.20/x
  3. Step 3: Cross multiply
    15,187,675,596,478x = 20,960,789,113,636 × 9,021,689,491,195.20
  4. Step 4: Simplify right side
    15,187,675,596,478x = 189,101,730,873,648,626,259,722,240
  5. Step 5: Solve for x
    x = 189,101,730,873,648,626,259,722,240/15,187,675,596,478
  6. Step 6: Final answer
    x = 12,450,998,816,270.54

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1.5x scale

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.