Home / 431,067,336.60-646,601,004.90-295,018,440.60

Finding the Fourth Proportional to 431,067,336.60, 646,601,004.90 and 295,018,440.60

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Solution

The fourth proportional to 431,067,336.60, 646,601,004.90 and 295,018,440.60 is: 442,527,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,067,336.60 : 646,601,004.90 = 295,018,440.60 : x
  2. Step 2: Convert to fraction form
    431,067,336.60/646,601,004.90 = 295,018,440.60/x
  3. Step 3: Cross multiply
    431,067,336.60x = 646,601,004.90 × 295,018,440.60
  4. Step 4: Simplify right side
    431,067,336.60x = 190,759,220,155,990,976
  5. Step 5: Solve for x
    x = 190,759,220,155,990,976/431,067,336.60
  6. Step 6: Final answer
    x = 442,527,660.90

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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.