Home / 256,244,586.77-384,980,069.84-164,308,448.52

Finding the Fourth Proportional to 256,244,586.77, 384,980,069.84 and 164,308,448.52

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Solution

The fourth proportional to 256,244,586.77, 384,980,069.84 and 164,308,448.52 is: 246,855,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,586.77 : 384,980,069.84 = 164,308,448.52 : x
  2. Step 2: Convert to fraction form
    256,244,586.77/384,980,069.84 = 164,308,448.52/x
  3. Step 3: Cross multiply
    256,244,586.77x = 384,980,069.84 × 164,308,448.52
  4. Step 4: Simplify right side
    256,244,586.77x = 63,255,477,985,710,104
  5. Step 5: Solve for x
    x = 63,255,477,985,710,104/256,244,586.77
  6. Step 6: Final answer
    x = 246,855,860.58

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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.