Home / 526,605,753.78-726,714,126.22-303,586,372.05

Finding the Fourth Proportional to 526,605,753.78, 726,714,126.22 and 303,586,372.05

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Solution

The fourth proportional to 526,605,753.78, 726,714,126.22 and 303,586,372.05 is: 418,948,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,605,753.78 : 726,714,126.22 = 303,586,372.05 : x
  2. Step 2: Convert to fraction form
    526,605,753.78/726,714,126.22 = 303,586,372.05/x
  3. Step 3: Cross multiply
    526,605,753.78x = 726,714,126.22 × 303,586,372.05
  4. Step 4: Simplify right side
    526,605,753.78x = 220,620,505,096,615,584
  5. Step 5: Solve for x
    x = 220,620,505,096,615,584/526,605,753.78
  6. Step 6: Final answer
    x = 418,948,147.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.