Home / 513,722,196.26-708,936,630.90-278,772,856.73

Finding the Fourth Proportional to 513,722,196.26, 708,936,630.90 and 278,772,856.73

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Solution

The fourth proportional to 513,722,196.26, 708,936,630.90 and 278,772,856.73 is: 384,706,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,722,196.26 : 708,936,630.90 = 278,772,856.73 : x
  2. Step 2: Convert to fraction form
    513,722,196.26/708,936,630.90 = 278,772,856.73/x
  3. Step 3: Cross multiply
    513,722,196.26x = 708,936,630.90 × 278,772,856.73
  4. Step 4: Simplify right side
    513,722,196.26x = 197,632,289,838,594,336
  5. Step 5: Solve for x
    x = 197,632,289,838,594,336/513,722,196.26
  6. Step 6: Final answer
    x = 384,706,542.33

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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.