Home / 256,603,974.60-384,055,656.30-236,196,640.20

Finding the Fourth Proportional to 256,603,974.60, 384,055,656.30 and 236,196,640.20

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Solution

The fourth proportional to 256,603,974.60, 384,055,656.30 and 236,196,640.20 is: 353,512,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,603,974.60 : 384,055,656.30 = 236,196,640.20 : x
  2. Step 2: Convert to fraction form
    256,603,974.60/384,055,656.30 = 236,196,640.20/x
  3. Step 3: Cross multiply
    256,603,974.60x = 384,055,656.30 × 236,196,640.20
  4. Step 4: Simplify right side
    256,603,974.60x = 90,712,655,667,865,968
  5. Step 5: Solve for x
    x = 90,712,655,667,865,968/256,603,974.60
  6. Step 6: Final answer
    x = 353,512,278.25

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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.