Home / 484,339,857.55-668,410,736.40-272,719,460.86

Finding the Fourth Proportional to 484,339,857.55, 668,410,736.40 and 272,719,460.86

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Solution

The fourth proportional to 484,339,857.55, 668,410,736.40 and 272,719,460.86 is: 376,365,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,339,857.55 : 668,410,736.40 = 272,719,460.86 : x
  2. Step 2: Convert to fraction form
    484,339,857.55/668,410,736.40 = 272,719,460.86/x
  3. Step 3: Cross multiply
    484,339,857.55x = 668,410,736.40 × 272,719,460.86
  4. Step 4: Simplify right side
    484,339,857.55x = 182,288,615,662,372,544
  5. Step 5: Solve for x
    x = 182,288,615,662,372,544/484,339,857.55
  6. Step 6: Final answer
    x = 376,365,093.27

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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.