Home / 48,309,274,445.92-72,439,667,621.08-28,147,216,052.12

Finding the Fourth Proportional to 48,309,274,445.92, 72,439,667,621.08 and 28,147,216,052.12

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Solution

The fourth proportional to 48,309,274,445.92, 72,439,667,621.08 and 28,147,216,052.12 is: 42,206,698,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,309,274,445.92 : 72,439,667,621.08 = 28,147,216,052.12 : x
  2. Step 2: Convert to fraction form
    48,309,274,445.92/72,439,667,621.08 = 28,147,216,052.12/x
  3. Step 3: Cross multiply
    48,309,274,445.92x = 72,439,667,621.08 × 28,147,216,052.12
  4. Step 4: Simplify right side
    48,309,274,445.92x = 2,038,974,975,274,300,473,344
  5. Step 5: Solve for x
    x = 2,038,974,975,274,300,473,344/48,309,274,445.92
  6. Step 6: Final answer
    x = 42,206,698,375.42

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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.