Home / 13,397,960,400.60-20,096,940,600.90-13,191,336,139.80

Finding the Fourth Proportional to 13,397,960,400.60, 20,096,940,600.90 and 13,191,336,139.80

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Solution

The fourth proportional to 13,397,960,400.60, 20,096,940,600.90 and 13,191,336,139.80 is: 19,787,004,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,960,400.60 : 20,096,940,600.90 = 13,191,336,139.80 : x
  2. Step 2: Convert to fraction form
    13,397,960,400.60/20,096,940,600.90 = 13,191,336,139.80/x
  3. Step 3: Cross multiply
    13,397,960,400.60x = 20,096,940,600.90 × 13,191,336,139.80
  4. Step 4: Simplify right side
    13,397,960,400.60x = 265,105,498,848,066,109,440
  5. Step 5: Solve for x
    x = 265,105,498,848,066,109,440/13,397,960,400.60
  6. Step 6: Final answer
    x = 19,787,004,209.70

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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.