Home / 340,948,982.80-511,489,829.40-146,860,022.80

Finding the Fourth Proportional to 340,948,982.80, 511,489,829.40 and 146,860,022.80

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Solution

The fourth proportional to 340,948,982.80, 511,489,829.40 and 146,860,022.80 is: 220,318,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,948,982.80 : 511,489,829.40 = 146,860,022.80 : x
  2. Step 2: Convert to fraction form
    340,948,982.80/511,489,829.40 = 146,860,022.80/x
  3. Step 3: Cross multiply
    340,948,982.80x = 511,489,829.40 × 146,860,022.80
  4. Step 4: Simplify right side
    340,948,982.80x = 75,117,408,007,652,112
  5. Step 5: Solve for x
    x = 75,117,408,007,652,112/340,948,982.80
  6. Step 6: Final answer
    x = 220,318,615.97

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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.