Home / 399,180,147.60-598,770,221.40-226,590,272.40

Finding the Fourth Proportional to 399,180,147.60, 598,770,221.40 and 226,590,272.40

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Solution

The fourth proportional to 399,180,147.60, 598,770,221.40 and 226,590,272.40 is: 339,885,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,180,147.60 : 598,770,221.40 = 226,590,272.40 : x
  2. Step 2: Convert to fraction form
    399,180,147.60/598,770,221.40 = 226,590,272.40/x
  3. Step 3: Cross multiply
    399,180,147.60x = 598,770,221.40 × 226,590,272.40
  4. Step 4: Simplify right side
    399,180,147.60x = 135,675,507,572,034,304
  5. Step 5: Solve for x
    x = 135,675,507,572,034,304/399,180,147.60
  6. Step 6: Final answer
    x = 339,885,408.60

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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.