Home / 299,546,749.60-449,320,124.40-245,127,191.20

Finding the Fourth Proportional to 299,546,749.60, 449,320,124.40 and 245,127,191.20

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Solution

The fourth proportional to 299,546,749.60, 449,320,124.40 and 245,127,191.20 is: 367,690,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,546,749.60 : 449,320,124.40 = 245,127,191.20 : x
  2. Step 2: Convert to fraction form
    299,546,749.60/449,320,124.40 = 245,127,191.20/x
  3. Step 3: Cross multiply
    299,546,749.60x = 449,320,124.40 × 245,127,191.20
  4. Step 4: Simplify right side
    299,546,749.60x = 110,140,580,043,806,576
  5. Step 5: Solve for x
    x = 110,140,580,043,806,576/299,546,749.60
  6. Step 6: Final answer
    x = 367,690,786.80

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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.