Home / 500,372,979.36-750,898,556.36-205,321,440.56

Finding the Fourth Proportional to 500,372,979.36, 750,898,556.36 and 205,321,440.56

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Solution

The fourth proportional to 500,372,979.36, 750,898,556.36 and 205,321,440.56 is: 308,121,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,372,979.36 : 750,898,556.36 = 205,321,440.56 : x
  2. Step 2: Convert to fraction form
    500,372,979.36/750,898,556.36 = 205,321,440.56/x
  3. Step 3: Cross multiply
    500,372,979.36x = 750,898,556.36 × 205,321,440.56
  4. Step 4: Simplify right side
    500,372,979.36x = 154,175,573,306,259,552
  5. Step 5: Solve for x
    x = 154,175,573,306,259,552/500,372,979.36
  6. Step 6: Final answer
    x = 308,121,300.84

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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.