Home / 256,244,592.73-384,980,078.64-164,308,454.50

Finding the Fourth Proportional to 256,244,592.73, 384,980,078.64 and 164,308,454.50

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Solution

The fourth proportional to 256,244,592.73, 384,980,078.64 and 164,308,454.50 is: 246,855,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,592.73 : 384,980,078.64 = 164,308,454.50 : x
  2. Step 2: Convert to fraction form
    256,244,592.73/384,980,078.64 = 164,308,454.50/x
  3. Step 3: Cross multiply
    256,244,592.73x = 384,980,078.64 × 164,308,454.50
  4. Step 4: Simplify right side
    256,244,592.73x = 63,255,481,734,626,856
  5. Step 5: Solve for x
    x = 63,255,481,734,626,856/256,244,592.73
  6. Step 6: Final answer
    x = 246,855,869.47

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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.