Home / 279,938,399.10-419,907,598.65-267,183,815.10

Finding the Fourth Proportional to 279,938,399.10, 419,907,598.65 and 267,183,815.10

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Solution

The fourth proportional to 279,938,399.10, 419,907,598.65 and 267,183,815.10 is: 400,775,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,399.10 : 419,907,598.65 = 267,183,815.10 : x
  2. Step 2: Convert to fraction form
    279,938,399.10/419,907,598.65 = 267,183,815.10/x
  3. Step 3: Cross multiply
    279,938,399.10x = 419,907,598.65 × 267,183,815.10
  4. Step 4: Simplify right side
    279,938,399.10x = 112,192,514,196,786,608
  5. Step 5: Solve for x
    x = 112,192,514,196,786,608/279,938,399.10
  6. Step 6: Final answer
    x = 400,775,722.65

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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.