Home / 329,432,358.76-454,617,518.35-178,725,006.72

Finding the Fourth Proportional to 329,432,358.76, 454,617,518.35 and 178,725,006.72

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Solution

The fourth proportional to 329,432,358.76, 454,617,518.35 and 178,725,006.72 is: 246,640,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,432,358.76 : 454,617,518.35 = 178,725,006.72 : x
  2. Step 2: Convert to fraction form
    329,432,358.76/454,617,518.35 = 178,725,006.72/x
  3. Step 3: Cross multiply
    329,432,358.76x = 454,617,518.35 × 178,725,006.72
  4. Step 4: Simplify right side
    329,432,358.76x = 81,251,519,020,307,200
  5. Step 5: Solve for x
    x = 81,251,519,020,307,200/329,432,358.76
  6. Step 6: Final answer
    x = 246,640,977.61

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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.