Home / 305,856,000.20-458,784,000.30-272,412,979.40

Finding the Fourth Proportional to 305,856,000.20, 458,784,000.30 and 272,412,979.40

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Solution

The fourth proportional to 305,856,000.20, 458,784,000.30 and 272,412,979.40 is: 408,619,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,856,000.20 : 458,784,000.30 = 272,412,979.40 : x
  2. Step 2: Convert to fraction form
    305,856,000.20/458,784,000.30 = 272,412,979.40/x
  3. Step 3: Cross multiply
    305,856,000.20x = 458,784,000.30 × 272,412,979.40
  4. Step 4: Simplify right side
    305,856,000.20x = 124,978,716,422,773,488
  5. Step 5: Solve for x
    x = 124,978,716,422,773,488/305,856,000.20
  6. Step 6: Final answer
    x = 408,619,469.10

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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.