Home / 380,928,000.20-571,392,000.30-199,230,873.80

Finding the Fourth Proportional to 380,928,000.20, 571,392,000.30 and 199,230,873.80

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Solution

The fourth proportional to 380,928,000.20, 571,392,000.30 and 199,230,873.80 is: 298,846,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,928,000.20 : 571,392,000.30 = 199,230,873.80 : x
  2. Step 2: Convert to fraction form
    380,928,000.20/571,392,000.30 = 199,230,873.80/x
  3. Step 3: Cross multiply
    380,928,000.20x = 571,392,000.30 × 199,230,873.80
  4. Step 4: Simplify right side
    380,928,000.20x = 113,838,927,502,098,864
  5. Step 5: Solve for x
    x = 113,838,927,502,098,864/380,928,000.20
  6. Step 6: Final answer
    x = 298,846,310.70

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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.