Home / 550,369,358.40-825,554,037.60-508,279,231.20

Finding the Fourth Proportional to 550,369,358.40, 825,554,037.60 and 508,279,231.20

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Solution

The fourth proportional to 550,369,358.40, 825,554,037.60 and 508,279,231.20 is: 762,418,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,369,358.40 : 825,554,037.60 = 508,279,231.20 : x
  2. Step 2: Convert to fraction form
    550,369,358.40/825,554,037.60 = 508,279,231.20/x
  3. Step 3: Cross multiply
    550,369,358.40x = 825,554,037.60 × 508,279,231.20
  4. Step 4: Simplify right side
    550,369,358.40x = 419,611,971,545,383,872
  5. Step 5: Solve for x
    x = 419,611,971,545,383,872/550,369,358.40
  6. Step 6: Final answer
    x = 762,418,846.80

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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.