Home / 20,942,863,889.40-31,414,295,834.10-20,942,863,889.40

Finding the Fourth Proportional to 20,942,863,889.40, 31,414,295,834.10 and 20,942,863,889.40

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Solution

The fourth proportional to 20,942,863,889.40, 31,414,295,834.10 and 20,942,863,889.40 is: 31,414,295,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,863,889.40 : 31,414,295,834.10 = 20,942,863,889.40 : x
  2. Step 2: Convert to fraction form
    20,942,863,889.40/31,414,295,834.10 = 20,942,863,889.40/x
  3. Step 3: Cross multiply
    20,942,863,889.40x = 31,414,295,834.10 × 20,942,863,889.40
  4. Step 4: Simplify right side
    20,942,863,889.40x = 657,905,321,834,901,798,912
  5. Step 5: Solve for x
    x = 657,905,321,834,901,798,912/20,942,863,889.40
  6. Step 6: Final answer
    x = 31,414,295,834.10

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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.