Home / 54,010,568,817.65-80,984,449,706.87-20,436,784,908.83

Finding the Fourth Proportional to 54,010,568,817.65, 80,984,449,706.87 and 20,436,784,908.83

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Solution

The fourth proportional to 54,010,568,817.65, 80,984,449,706.87 and 20,436,784,908.83 is: 30,643,294,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010,568,817.65 : 80,984,449,706.87 = 20,436,784,908.83 : x
  2. Step 2: Convert to fraction form
    54,010,568,817.65/80,984,449,706.87 = 20,436,784,908.83/x
  3. Step 3: Cross multiply
    54,010,568,817.65x = 80,984,449,706.87 × 20,436,784,908.83
  4. Step 4: Simplify right side
    54,010,568,817.65x = 1,655,061,779,619,182,542,848
  5. Step 5: Solve for x
    x = 1,655,061,779,619,182,542,848/54,010,568,817.65
  6. Step 6: Final answer
    x = 30,643,294,744.91

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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.