Home / 20,177,295,890.40-30,265,943,835.60-10,762,978,007.70

Finding the Fourth Proportional to 20,177,295,890.40, 30,265,943,835.60 and 10,762,978,007.70

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Solution

The fourth proportional to 20,177,295,890.40, 30,265,943,835.60 and 10,762,978,007.70 is: 16,144,467,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,295,890.40 : 30,265,943,835.60 = 10,762,978,007.70 : x
  2. Step 2: Convert to fraction form
    20,177,295,890.40/30,265,943,835.60 = 10,762,978,007.70/x
  3. Step 3: Cross multiply
    20,177,295,890.40x = 30,265,943,835.60 × 10,762,978,007.70
  4. Step 4: Simplify right side
    20,177,295,890.40x = 325,751,687,884,846,202,880
  5. Step 5: Solve for x
    x = 325,751,687,884,846,202,880/20,177,295,890.40
  6. Step 6: Final answer
    x = 16,144,467,011.55

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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.