Home / 20,953,568,469.60-31,430,352,704.40-19,713,822,904.80

Finding the Fourth Proportional to 20,953,568,469.60, 31,430,352,704.40 and 19,713,822,904.80

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Solution

The fourth proportional to 20,953,568,469.60, 31,430,352,704.40 and 19,713,822,904.80 is: 29,570,734,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,568,469.60 : 31,430,352,704.40 = 19,713,822,904.80 : x
  2. Step 2: Convert to fraction form
    20,953,568,469.60/31,430,352,704.40 = 19,713,822,904.80/x
  3. Step 3: Cross multiply
    20,953,568,469.60x = 31,430,352,704.40 × 19,713,822,904.80
  4. Step 4: Simplify right side
    20,953,568,469.60x = 619,612,407,049,943,384,064
  5. Step 5: Solve for x
    x = 619,612,407,049,943,384,064/20,953,568,469.60
  6. Step 6: Final answer
    x = 29,570,734,357.20

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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.