Home / 752,473,847.52-1,128,856,126.88-286,099,009.76

Finding the Fourth Proportional to 752,473,847.52, 1,128,856,126.88 and 286,099,009.76

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Solution

The fourth proportional to 752,473,847.52, 1,128,856,126.88 and 286,099,009.76 is: 429,203,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,473,847.52 : 1,128,856,126.88 = 286,099,009.76 : x
  2. Step 2: Convert to fraction form
    752,473,847.52/1,128,856,126.88 = 286,099,009.76/x
  3. Step 3: Cross multiply
    752,473,847.52x = 1,128,856,126.88 × 286,099,009.76
  4. Step 4: Simplify right side
    752,473,847.52x = 322,964,620,061,876,928
  5. Step 5: Solve for x
    x = 322,964,620,061,876,928/752,473,847.52
  6. Step 6: Final answer
    x = 429,203,780.47

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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.