Home / 354,194,063.56-488,944,541.01-228,807,396.42

Finding the Fourth Proportional to 354,194,063.56, 488,944,541.01 and 228,807,396.42

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Solution

The fourth proportional to 354,194,063.56, 488,944,541.01 and 228,807,396.42 is: 315,855,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,194,063.56 : 488,944,541.01 = 228,807,396.42 : x
  2. Step 2: Convert to fraction form
    354,194,063.56/488,944,541.01 = 228,807,396.42/x
  3. Step 3: Cross multiply
    354,194,063.56x = 488,944,541.01 × 228,807,396.42
  4. Step 4: Simplify right side
    354,194,063.56x = 111,874,127,422,270,016
  5. Step 5: Solve for x
    x = 111,874,127,422,270,016/354,194,063.56
  6. Step 6: Final answer
    x = 315,855,455.90

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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.