Home / 355,509,893.13-532,682,506.74-189,336,969.86

Finding the Fourth Proportional to 355,509,893.13, 532,682,506.74 and 189,336,969.86

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Solution

The fourth proportional to 355,509,893.13, 532,682,506.74 and 189,336,969.86 is: 283,695,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,509,893.13 : 532,682,506.74 = 189,336,969.86 : x
  2. Step 2: Convert to fraction form
    355,509,893.13/532,682,506.74 = 189,336,969.86/x
  3. Step 3: Cross multiply
    355,509,893.13x = 532,682,506.74 × 189,336,969.86
  4. Step 4: Simplify right side
    355,509,893.13x = 100,856,491,721,629,120
  5. Step 5: Solve for x
    x = 100,856,491,721,629,120/355,509,893.13
  6. Step 6: Final answer
    x = 283,695,316.70

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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.