Home / 1,048,142,717.55-1,572,214,076.33-321,036,951.15

Finding the Fourth Proportional to 1,048,142,717.55, 1,572,214,076.33 and 321,036,951.15

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Solution

The fourth proportional to 1,048,142,717.55, 1,572,214,076.33 and 321,036,951.15 is: 481,555,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,717.55 : 1,572,214,076.33 = 321,036,951.15 : x
  2. Step 2: Convert to fraction form
    1,048,142,717.55/1,572,214,076.33 = 321,036,951.15/x
  3. Step 3: Cross multiply
    1,048,142,717.55x = 1,572,214,076.33 × 321,036,951.15
  4. Step 4: Simplify right side
    1,048,142,717.55x = 504,738,813,618,491,392
  5. Step 5: Solve for x
    x = 504,738,813,618,491,392/1,048,142,717.55
  6. Step 6: Final answer
    x = 481,555,426.73

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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.