Home / 556,652,883.56-768,159,932.90-309,150,181.04

Finding the Fourth Proportional to 556,652,883.56, 768,159,932.90 and 309,150,181.04

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Solution

The fourth proportional to 556,652,883.56, 768,159,932.90 and 309,150,181.04 is: 426,615,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,652,883.56 : 768,159,932.90 = 309,150,181.04 : x
  2. Step 2: Convert to fraction form
    556,652,883.56/768,159,932.90 = 309,150,181.04/x
  3. Step 3: Cross multiply
    556,652,883.56x = 768,159,932.90 × 309,150,181.04
  4. Step 4: Simplify right side
    556,652,883.56x = 237,476,782,318,322,720
  5. Step 5: Solve for x
    x = 237,476,782,318,322,720/556,652,883.56
  6. Step 6: Final answer
    x = 426,615,561.21

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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.