Home / 399,180,121.60-598,770,182.40-226,590,246.40

Finding the Fourth Proportional to 399,180,121.60, 598,770,182.40 and 226,590,246.40

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Solution

The fourth proportional to 399,180,121.60, 598,770,182.40 and 226,590,246.40 is: 339,885,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,180,121.60 : 598,770,182.40 = 226,590,246.40 : x
  2. Step 2: Convert to fraction form
    399,180,121.60/598,770,182.40 = 226,590,246.40/x
  3. Step 3: Cross multiply
    399,180,121.60x = 598,770,182.40 × 226,590,246.40
  4. Step 4: Simplify right side
    399,180,121.60x = 135,675,483,166,988,944
  5. Step 5: Solve for x
    x = 135,675,483,166,988,944/399,180,121.60
  6. Step 6: Final answer
    x = 339,885,369.60

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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.