Home / 80,474,019,436.80-120,711,029,155.20-27,474,896,541.60

Finding the Fourth Proportional to 80,474,019,436.80, 120,711,029,155.20 and 27,474,896,541.60

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Solution

The fourth proportional to 80,474,019,436.80, 120,711,029,155.20 and 27,474,896,541.60 is: 41,212,344,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,019,436.80 : 120,711,029,155.20 = 27,474,896,541.60 : x
  2. Step 2: Convert to fraction form
    80,474,019,436.80/120,711,029,155.20 = 27,474,896,541.60/x
  3. Step 3: Cross multiply
    80,474,019,436.80x = 120,711,029,155.20 × 27,474,896,541.60
  4. Step 4: Simplify right side
    80,474,019,436.80x = 3,316,523,037,469,180,952,576
  5. Step 5: Solve for x
    x = 3,316,523,037,469,180,952,576/80,474,019,436.80
  6. Step 6: Final answer
    x = 41,212,344,812.40

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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.