Home / 339,980,607.60-509,970,911.40-109,972,942.80

Finding the Fourth Proportional to 339,980,607.60, 509,970,911.40 and 109,972,942.80

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Solution

The fourth proportional to 339,980,607.60, 509,970,911.40 and 109,972,942.80 is: 164,959,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,980,607.60 : 509,970,911.40 = 109,972,942.80 : x
  2. Step 2: Convert to fraction form
    339,980,607.60/509,970,911.40 = 109,972,942.80/x
  3. Step 3: Cross multiply
    339,980,607.60x = 509,970,911.40 × 109,972,942.80
  4. Step 4: Simplify right side
    339,980,607.60x = 56,083,001,869,056,064
  5. Step 5: Solve for x
    x = 56,083,001,869,056,064/339,980,607.60
  6. Step 6: Final answer
    x = 164,959,414.20

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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.