Home / 354,194,057.56-488,944,532.72-228,807,390.40

Finding the Fourth Proportional to 354,194,057.56, 488,944,532.72 and 228,807,390.40

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Solution

The fourth proportional to 354,194,057.56, 488,944,532.72 and 228,807,390.40 is: 315,855,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,194,057.56 : 488,944,532.72 = 228,807,390.40 : x
  2. Step 2: Convert to fraction form
    354,194,057.56/488,944,532.72 = 228,807,390.40/x
  3. Step 3: Cross multiply
    354,194,057.56x = 488,944,532.72 × 228,807,390.40
  4. Step 4: Simplify right side
    354,194,057.56x = 111,874,122,582,010,624
  5. Step 5: Solve for x
    x = 111,874,122,582,010,624/354,194,057.56
  6. Step 6: Final answer
    x = 315,855,447.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.