Home / 355,567,785.55-536,016,731.46-331,865,516.95

Finding the Fourth Proportional to 355,567,785.55, 536,016,731.46 and 331,865,516.95

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Solution

The fourth proportional to 355,567,785.55, 536,016,731.46 and 331,865,516.95 is: 500,285,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,567,785.55 : 536,016,731.46 = 331,865,516.95 : x
  2. Step 2: Convert to fraction form
    355,567,785.55/536,016,731.46 = 331,865,516.95/x
  3. Step 3: Cross multiply
    355,567,785.55x = 536,016,731.46 × 331,865,516.95
  4. Step 4: Simplify right side
    355,567,785.55x = 177,885,469,679,112,736
  5. Step 5: Solve for x
    x = 177,885,469,679,112,736/355,567,785.55
  6. Step 6: Final answer
    x = 500,285,675.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.