Home / 436,872,987.68-655,407,225.84-164,246,116.64

Finding the Fourth Proportional to 436,872,987.68, 655,407,225.84 and 164,246,116.64

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Solution

The fourth proportional to 436,872,987.68, 655,407,225.84 and 164,246,116.64 is: 246,405,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,872,987.68 : 655,407,225.84 = 164,246,116.64 : x
  2. Step 2: Convert to fraction form
    436,872,987.68/655,407,225.84 = 164,246,116.64/x
  3. Step 3: Cross multiply
    436,872,987.68x = 655,407,225.84 × 164,246,116.64
  4. Step 4: Simplify right side
    436,872,987.68x = 107,648,091,662,015,456
  5. Step 5: Solve for x
    x = 107,648,091,662,015,456/436,872,987.68
  6. Step 6: Final answer
    x = 246,405,922.77

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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.