Home / 339,122,743.20-508,684,114.80-253,029,301.20

Finding the Fourth Proportional to 339,122,743.20, 508,684,114.80 and 253,029,301.20

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Solution

The fourth proportional to 339,122,743.20, 508,684,114.80 and 253,029,301.20 is: 379,543,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,122,743.20 : 508,684,114.80 = 253,029,301.20 : x
  2. Step 2: Convert to fraction form
    339,122,743.20/508,684,114.80 = 253,029,301.20/x
  3. Step 3: Cross multiply
    339,122,743.20x = 508,684,114.80 × 253,029,301.20
  4. Step 4: Simplify right side
    339,122,743.20x = 128,711,986,099,384,576
  5. Step 5: Solve for x
    x = 128,711,986,099,384,576/339,122,743.20
  6. Step 6: Final answer
    x = 379,543,951.80

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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.