Home / 20,178,192,833.70-30,267,289,250.55-13,901,980,911.90

Finding the Fourth Proportional to 20,178,192,833.70, 30,267,289,250.55 and 13,901,980,911.90

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Solution

The fourth proportional to 20,178,192,833.70, 30,267,289,250.55 and 13,901,980,911.90 is: 20,852,971,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,192,833.70 : 30,267,289,250.55 = 13,901,980,911.90 : x
  2. Step 2: Convert to fraction form
    20,178,192,833.70/30,267,289,250.55 = 13,901,980,911.90/x
  3. Step 3: Cross multiply
    20,178,192,833.70x = 30,267,289,250.55 × 13,901,980,911.90
  4. Step 4: Simplify right side
    20,178,192,833.70x = 420,775,277,416,102,166,528
  5. Step 5: Solve for x
    x = 420,775,277,416,102,166,528/20,178,192,833.70
  6. Step 6: Final answer
    x = 20,852,971,367.85

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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.