Home / 299,712,090.40-449,568,135.60-192,216,666.40

Finding the Fourth Proportional to 299,712,090.40, 449,568,135.60 and 192,216,666.40

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Solution

The fourth proportional to 299,712,090.40, 449,568,135.60 and 192,216,666.40 is: 288,324,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,712,090.40 : 449,568,135.60 = 192,216,666.40 : x
  2. Step 2: Convert to fraction form
    299,712,090.40/449,568,135.60 = 192,216,666.40/x
  3. Step 3: Cross multiply
    299,712,090.40x = 449,568,135.60 × 192,216,666.40
  4. Step 4: Simplify right side
    299,712,090.40x = 86,414,488,344,695,168
  5. Step 5: Solve for x
    x = 86,414,488,344,695,168/299,712,090.40
  6. Step 6: Final answer
    x = 288,324,999.60

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1.5x scale

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.