Home / 398,672,890.20-598,009,335.30-244,820,064.60

Finding the Fourth Proportional to 398,672,890.20, 598,009,335.30 and 244,820,064.60

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Solution

The fourth proportional to 398,672,890.20, 598,009,335.30 and 244,820,064.60 is: 367,230,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,672,890.20 : 598,009,335.30 = 244,820,064.60 : x
  2. Step 2: Convert to fraction form
    398,672,890.20/598,009,335.30 = 244,820,064.60/x
  3. Step 3: Cross multiply
    398,672,890.20x = 598,009,335.30 × 244,820,064.60
  4. Step 4: Simplify right side
    398,672,890.20x = 146,404,684,099,549,056
  5. Step 5: Solve for x
    x = 146,404,684,099,549,056/398,672,890.20
  6. Step 6: Final answer
    x = 367,230,096.90

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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.