Home / 20,160,576,540.90-30,240,864,811.35-13,194,873,065.70

Finding the Fourth Proportional to 20,160,576,540.90, 30,240,864,811.35 and 13,194,873,065.70

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Solution

The fourth proportional to 20,160,576,540.90, 30,240,864,811.35 and 13,194,873,065.70 is: 19,792,309,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,576,540.90 : 30,240,864,811.35 = 13,194,873,065.70 : x
  2. Step 2: Convert to fraction form
    20,160,576,540.90/30,240,864,811.35 = 13,194,873,065.70/x
  3. Step 3: Cross multiply
    20,160,576,540.90x = 30,240,864,811.35 × 13,194,873,065.70
  4. Step 4: Simplify right side
    20,160,576,540.90x = 399,024,372,582,757,040,128
  5. Step 5: Solve for x
    x = 399,024,372,582,757,040,128/20,160,576,540.90
  6. Step 6: Final answer
    x = 19,792,309,598.55

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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.