Home / 496,294,585.28-744,097,138.48-219,795,128

Finding the Fourth Proportional to 496,294,585.28, 744,097,138.48 and 219,795,128

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Solution

The fourth proportional to 496,294,585.28, 744,097,138.48 and 219,795,128 is: 329,540,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,294,585.28 : 744,097,138.48 = 219,795,128 : x
  2. Step 2: Convert to fraction form
    496,294,585.28/744,097,138.48 = 219,795,128/x
  3. Step 3: Cross multiply
    496,294,585.28x = 744,097,138.48 × 219,795,128
  4. Step 4: Simplify right side
    496,294,585.28x = 163,548,925,796,645,344
  5. Step 5: Solve for x
    x = 163,548,925,796,645,344/496,294,585.28
  6. Step 6: Final answer
    x = 329,540,016.45

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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.