Home / 355,694,980.76-490,859,073.44-192,903,556.76

Finding the Fourth Proportional to 355,694,980.76, 490,859,073.44 and 192,903,556.76

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Solution

The fourth proportional to 355,694,980.76, 490,859,073.44 and 192,903,556.76 is: 266,206,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,694,980.76 : 490,859,073.44 = 192,903,556.76 : x
  2. Step 2: Convert to fraction form
    355,694,980.76/490,859,073.44 = 192,903,556.76/x
  3. Step 3: Cross multiply
    355,694,980.76x = 490,859,073.44 × 192,903,556.76
  4. Step 4: Simplify right side
    355,694,980.76x = 94,688,461,134,494,048
  5. Step 5: Solve for x
    x = 94,688,461,134,494,048/355,694,980.76
  6. Step 6: Final answer
    x = 266,206,908.32

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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.