Home / 948,480,469.48-1,422,521,638.62-267,516,865

Finding the Fourth Proportional to 948,480,469.48, 1,422,521,638.62 and 267,516,865

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Solution

The fourth proportional to 948,480,469.48, 1,422,521,638.62 and 267,516,865 is: 401,219,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,480,469.48 : 1,422,521,638.62 = 267,516,865 : x
  2. Step 2: Convert to fraction form
    948,480,469.48/1,422,521,638.62 = 267,516,865/x
  3. Step 3: Cross multiply
    948,480,469.48x = 1,422,521,638.62 × 267,516,865
  4. Step 4: Simplify right side
    948,480,469.48x = 380,548,529,158,285,312
  5. Step 5: Solve for x
    x = 380,548,529,158,285,312/948,480,469.48
  6. Step 6: Final answer
    x = 401,219,151.48

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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.