Home / 752,473,939.86-1,128,856,265.46-286,099,102.17

Finding the Fourth Proportional to 752,473,939.86, 1,128,856,265.46 and 286,099,102.17

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Solution

The fourth proportional to 752,473,939.86, 1,128,856,265.46 and 286,099,102.17 is: 429,203,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,473,939.86 : 1,128,856,265.46 = 286,099,102.17 : x
  2. Step 2: Convert to fraction form
    752,473,939.86/1,128,856,265.46 = 286,099,102.17/x
  3. Step 3: Cross multiply
    752,473,939.86x = 1,128,856,265.46 × 286,099,102.17
  4. Step 4: Simplify right side
    752,473,939.86x = 322,964,764,027,085,184
  5. Step 5: Solve for x
    x = 322,964,764,027,085,184/752,473,939.86
  6. Step 6: Final answer
    x = 429,203,919.12

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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.