Home / 20,967,953,021.50-31,456,346,772.27-6,801,812,639.87

Finding the Fourth Proportional to 20,967,953,021.50, 31,456,346,772.27 and 6,801,812,639.87

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Solution

The fourth proportional to 20,967,953,021.50, 31,456,346,772.27 and 6,801,812,639.87 is: 10,204,151,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,953,021.50 : 31,456,346,772.27 = 6,801,812,639.87 : x
  2. Step 2: Convert to fraction form
    20,967,953,021.50/31,456,346,772.27 = 6,801,812,639.87/x
  3. Step 3: Cross multiply
    20,967,953,021.50x = 31,456,346,772.27 × 6,801,812,639.87
  4. Step 4: Simplify right side
    20,967,953,021.50x = 213,960,177,079,667,752,960
  5. Step 5: Solve for x
    x = 213,960,177,079,667,752,960/20,967,953,021.50
  6. Step 6: Final answer
    x = 10,204,151,872.16

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1.5x scale

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.