Home / 605,115,986.40-907,548,008.40-260,080,869.60

Finding the Fourth Proportional to 605,115,986.40, 907,548,008.40 and 260,080,869.60

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Solution

The fourth proportional to 605,115,986.40, 907,548,008.40 and 260,080,869.60 is: 390,067,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,115,986.40 : 907,548,008.40 = 260,080,869.60 : x
  2. Step 2: Convert to fraction form
    605,115,986.40/907,548,008.40 = 260,080,869.60/x
  3. Step 3: Cross multiply
    605,115,986.40x = 907,548,008.40 × 260,080,869.60
  4. Step 4: Simplify right side
    605,115,986.40x = 236,035,875,228,420,096
  5. Step 5: Solve for x
    x = 236,035,875,228,420,096/605,115,986.40
  6. Step 6: Final answer
    x = 390,067,161.56

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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.