Home / 605,566,772.40-908,775,311.40-260,767,851.60

Finding the Fourth Proportional to 605,566,772.40, 908,775,311.40 and 260,767,851.60

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Solution

The fourth proportional to 605,566,772.40, 908,775,311.40 and 260,767,851.60 is: 391,334,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,566,772.40 : 908,775,311.40 = 260,767,851.60 : x
  2. Step 2: Convert to fraction form
    605,566,772.40/908,775,311.40 = 260,767,851.60/x
  3. Step 3: Cross multiply
    605,566,772.40x = 908,775,311.40 × 260,767,851.60
  4. Step 4: Simplify right side
    605,566,772.40x = 236,979,385,540,898,976
  5. Step 5: Solve for x
    x = 236,979,385,540,898,976/605,566,772.40
  6. Step 6: Final answer
    x = 391,334,855.78

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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.