Home / 384,367,984.20-576,551,976.30-380,784,803.40

Finding the Fourth Proportional to 384,367,984.20, 576,551,976.30 and 380,784,803.40

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Solution

The fourth proportional to 384,367,984.20, 576,551,976.30 and 380,784,803.40 is: 571,177,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367,984.20 : 576,551,976.30 = 380,784,803.40 : x
  2. Step 2: Convert to fraction form
    384,367,984.20/576,551,976.30 = 380,784,803.40/x
  3. Step 3: Cross multiply
    384,367,984.20x = 576,551,976.30 × 380,784,803.40
  4. Step 4: Simplify right side
    384,367,984.20x = 219,542,230,945,276,928
  5. Step 5: Solve for x
    x = 219,542,230,945,276,928/384,367,984.20
  6. Step 6: Final answer
    x = 571,177,205.10

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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.