Home / 339,310,648.40-509,115,271.80-157,464,222.80

Finding the Fourth Proportional to 339,310,648.40, 509,115,271.80 and 157,464,222.80

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Solution

The fourth proportional to 339,310,648.40, 509,115,271.80 and 157,464,222.80 is: 236,265,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,310,648.40 : 509,115,271.80 = 157,464,222.80 : x
  2. Step 2: Convert to fraction form
    339,310,648.40/509,115,271.80 = 157,464,222.80/x
  3. Step 3: Cross multiply
    339,310,648.40x = 509,115,271.80 × 157,464,222.80
  4. Step 4: Simplify right side
    339,310,648.40x = 80,167,440,589,597,760
  5. Step 5: Solve for x
    x = 80,167,440,589,597,760/339,310,648.40
  6. Step 6: Final answer
    x = 236,265,619.63

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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.