Home / 256,244,698.89-384,980,237.57-164,308,560.64

Finding the Fourth Proportional to 256,244,698.89, 384,980,237.57 and 164,308,560.64

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Solution

The fourth proportional to 256,244,698.89, 384,980,237.57 and 164,308,560.64 is: 246,856,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,698.89 : 384,980,237.57 = 164,308,560.64 : x
  2. Step 2: Convert to fraction form
    256,244,698.89/384,980,237.57 = 164,308,560.64/x
  3. Step 3: Cross multiply
    256,244,698.89x = 384,980,237.57 × 164,308,560.64
  4. Step 4: Simplify right side
    256,244,698.89x = 63,255,548,709,971,944
  5. Step 5: Solve for x
    x = 63,255,548,709,971,944/256,244,698.89
  6. Step 6: Final answer
    x = 246,856,028.57

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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.