Home / 355,694,982.76-490,859,076.20-192,903,558.76

Finding the Fourth Proportional to 355,694,982.76, 490,859,076.20 and 192,903,558.76

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Solution

The fourth proportional to 355,694,982.76, 490,859,076.20 and 192,903,558.76 is: 266,206,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,694,982.76 : 490,859,076.20 = 192,903,558.76 : x
  2. Step 2: Convert to fraction form
    355,694,982.76/490,859,076.20 = 192,903,558.76/x
  3. Step 3: Cross multiply
    355,694,982.76x = 490,859,076.20 × 192,903,558.76
  4. Step 4: Simplify right side
    355,694,982.76x = 94,688,462,648,626,016
  5. Step 5: Solve for x
    x = 94,688,462,648,626,016/355,694,982.76
  6. Step 6: Final answer
    x = 266,206,911.08

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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.