Home / 388,314,103.20-582,471,154.80-243,195,280.80

Finding the Fourth Proportional to 388,314,103.20, 582,471,154.80 and 243,195,280.80

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Solution

The fourth proportional to 388,314,103.20, 582,471,154.80 and 243,195,280.80 is: 364,792,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,314,103.20 : 582,471,154.80 = 243,195,280.80 : x
  2. Step 2: Convert to fraction form
    388,314,103.20/582,471,154.80 = 243,195,280.80/x
  3. Step 3: Cross multiply
    388,314,103.20x = 582,471,154.80 × 243,195,280.80
  4. Step 4: Simplify right side
    388,314,103.20x = 141,654,236,049,486,256
  5. Step 5: Solve for x
    x = 141,654,236,049,486,256/388,314,103.20
  6. Step 6: Final answer
    x = 364,792,921.20

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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.