Home / 339,453,504,686.40-509,180,257,029.60-140,640,717,998.40

Finding the Fourth Proportional to 339,453,504,686.40, 509,180,257,029.60 and 140,640,717,998.40

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Solution

The fourth proportional to 339,453,504,686.40, 509,180,257,029.60 and 140,640,717,998.40 is: 210,961,076,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,453,504,686.40 : 509,180,257,029.60 = 140,640,717,998.40 : x
  2. Step 2: Convert to fraction form
    339,453,504,686.40/509,180,257,029.60 = 140,640,717,998.40/x
  3. Step 3: Cross multiply
    339,453,504,686.40x = 509,180,257,029.60 × 140,640,717,998.40
  4. Step 4: Simplify right side
    339,453,504,686.40x = 71,611,476,939,252,797,800,448
  5. Step 5: Solve for x
    x = 71,611,476,939,252,797,800,448/339,453,504,686.40
  6. Step 6: Final answer
    x = 210,961,076,997.60

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1.5x scale

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.