Home / 526,545,789.20-789,818,683.80-254,447,997.20

Finding the Fourth Proportional to 526,545,789.20, 789,818,683.80 and 254,447,997.20

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Solution

The fourth proportional to 526,545,789.20, 789,818,683.80 and 254,447,997.20 is: 381,671,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,545,789.20 : 789,818,683.80 = 254,447,997.20 : x
  2. Step 2: Convert to fraction form
    526,545,789.20/789,818,683.80 = 254,447,997.20/x
  3. Step 3: Cross multiply
    526,545,789.20x = 789,818,683.80 × 254,447,997.20
  4. Step 4: Simplify right side
    526,545,789.20x = 200,967,782,244,050,048
  5. Step 5: Solve for x
    x = 200,967,782,244,050,048/526,545,789.20
  6. Step 6: Final answer
    x = 381,671,995.80

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Similar ratio
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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.