Home / 669,352,439.20-1,004,028,658.80-238,375,415.20

Finding the Fourth Proportional to 669,352,439.20, 1,004,028,658.80 and 238,375,415.20

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Solution

The fourth proportional to 669,352,439.20, 1,004,028,658.80 and 238,375,415.20 is: 357,563,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,352,439.20 : 1,004,028,658.80 = 238,375,415.20 : x
  2. Step 2: Convert to fraction form
    669,352,439.20/1,004,028,658.80 = 238,375,415.20/x
  3. Step 3: Cross multiply
    669,352,439.20x = 1,004,028,658.80 × 238,375,415.20
  4. Step 4: Simplify right side
    669,352,439.20x = 239,335,748,414,149,120
  5. Step 5: Solve for x
    x = 239,335,748,414,149,120/669,352,439.20
  6. Step 6: Final answer
    x = 357,563,122.80

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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.