Home / 20,155,440,022.60-30,233,160,033.90-15,257,679,766.60

Finding the Fourth Proportional to 20,155,440,022.60, 30,233,160,033.90 and 15,257,679,766.60

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Solution

The fourth proportional to 20,155,440,022.60, 30,233,160,033.90 and 15,257,679,766.60 is: 22,886,519,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,440,022.60 : 30,233,160,033.90 = 15,257,679,766.60 : x
  2. Step 2: Convert to fraction form
    20,155,440,022.60/30,233,160,033.90 = 15,257,679,766.60/x
  3. Step 3: Cross multiply
    20,155,440,022.60x = 30,233,160,033.90 × 15,257,679,766.60
  4. Step 4: Simplify right side
    20,155,440,022.60x = 461,287,874,129,615,847,424
  5. Step 5: Solve for x
    x = 461,287,874,129,615,847,424/20,155,440,022.60
  6. Step 6: Final answer
    x = 22,886,519,649.90

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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.