Home / 538,961,076.80-806,929,960.80-523,844,532.80

Finding the Fourth Proportional to 538,961,076.80, 806,929,960.80 and 523,844,532.80

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Solution

The fourth proportional to 538,961,076.80, 806,929,960.80 and 523,844,532.80 is: 784,297,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,961,076.80 : 806,929,960.80 = 523,844,532.80 : x
  2. Step 2: Convert to fraction form
    538,961,076.80/806,929,960.80 = 523,844,532.80/x
  3. Step 3: Cross multiply
    538,961,076.80x = 806,929,960.80 × 523,844,532.80
  4. Step 4: Simplify right side
    538,961,076.80x = 422,705,848,317,598,272
  5. Step 5: Solve for x
    x = 422,705,848,317,598,272/538,961,076.80
  6. Step 6: Final answer
    x = 784,297,543.02

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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.