Home / 19,931,288,422.14-27,492,217,923.33-12,783,380,400

Finding the Fourth Proportional to 19,931,288,422.14, 27,492,217,923.33 and 12,783,380,400

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Solution

The fourth proportional to 19,931,288,422.14, 27,492,217,923.33 and 12,783,380,400 is: 17,632,752,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,288,422.14 : 27,492,217,923.33 = 12,783,380,400 : x
  2. Step 2: Convert to fraction form
    19,931,288,422.14/27,492,217,923.33 = 12,783,380,400/x
  3. Step 3: Cross multiply
    19,931,288,422.14x = 27,492,217,923.33 × 12,783,380,400
  4. Step 4: Simplify right side
    19,931,288,422.14x = 351,443,479,753,625,436,160
  5. Step 5: Solve for x
    x = 351,443,479,753,625,436,160/19,931,288,422.14
  6. Step 6: Final answer
    x = 17,632,752,700.69

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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.