Home / 256,468,419-384,702,628.50-112,861,251

Finding the Fourth Proportional to 256,468,419, 384,702,628.50 and 112,861,251

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Solution

The fourth proportional to 256,468,419, 384,702,628.50 and 112,861,251 is: 169,291,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,468,419 : 384,702,628.50 = 112,861,251 : x
  2. Step 2: Convert to fraction form
    256,468,419/384,702,628.50 = 112,861,251/x
  3. Step 3: Cross multiply
    256,468,419x = 384,702,628.50 × 112,861,251
  4. Step 4: Simplify right side
    256,468,419x = 43,418,019,915,498,256
  5. Step 5: Solve for x
    x = 43,418,019,915,498,256/256,468,419
  6. Step 6: Final answer
    x = 169,291,876.50

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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.