Home / 752,473,846.52-1,128,856,125.38-286,099,008.76

Finding the Fourth Proportional to 752,473,846.52, 1,128,856,125.38 and 286,099,008.76

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Solution

The fourth proportional to 752,473,846.52, 1,128,856,125.38 and 286,099,008.76 is: 429,203,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,473,846.52 : 1,128,856,125.38 = 286,099,008.76 : x
  2. Step 2: Convert to fraction form
    752,473,846.52/1,128,856,125.38 = 286,099,008.76/x
  3. Step 3: Cross multiply
    752,473,846.52x = 1,128,856,125.38 × 286,099,008.76
  4. Step 4: Simplify right side
    752,473,846.52x = 322,964,618,503,872,320
  5. Step 5: Solve for x
    x = 322,964,618,503,872,320/752,473,846.52
  6. Step 6: Final answer
    x = 429,203,778.97

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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.