Home / 288,322,579.26-397,882,748.43-156,160,507.14

Finding the Fourth Proportional to 288,322,579.26, 397,882,748.43 and 156,160,507.14

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Solution

The fourth proportional to 288,322,579.26, 397,882,748.43 and 156,160,507.14 is: 215,500,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,322,579.26 : 397,882,748.43 = 156,160,507.14 : x
  2. Step 2: Convert to fraction form
    288,322,579.26/397,882,748.43 = 156,160,507.14/x
  3. Step 3: Cross multiply
    288,322,579.26x = 397,882,748.43 × 156,160,507.14
  4. Step 4: Simplify right side
    288,322,579.26x = 62,133,571,777,085,832
  5. Step 5: Solve for x
    x = 62,133,571,777,085,832/288,322,579.26
  6. Step 6: Final answer
    x = 215,500,194.04

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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.