Home / 398,948,015.55-598,422,023.33-245,893,007.55

Finding the Fourth Proportional to 398,948,015.55, 598,422,023.33 and 245,893,007.55

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Solution

The fourth proportional to 398,948,015.55, 598,422,023.33 and 245,893,007.55 is: 368,839,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,948,015.55 : 598,422,023.33 = 245,893,007.55 : x
  2. Step 2: Convert to fraction form
    398,948,015.55/598,422,023.33 = 245,893,007.55/x
  3. Step 3: Cross multiply
    398,948,015.55x = 598,422,023.33 × 245,893,007.55
  4. Step 4: Simplify right side
    398,948,015.55x = 147,147,791,099,540,512
  5. Step 5: Solve for x
    x = 147,147,791,099,540,512/398,948,015.55
  6. Step 6: Final answer
    x = 368,839,511.33

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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.