Home / 431,094,405.60-646,641,608.40-259,101,727.20

Finding the Fourth Proportional to 431,094,405.60, 646,641,608.40 and 259,101,727.20

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Solution

The fourth proportional to 431,094,405.60, 646,641,608.40 and 259,101,727.20 is: 388,652,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,094,405.60 : 646,641,608.40 = 259,101,727.20 : x
  2. Step 2: Convert to fraction form
    431,094,405.60/646,641,608.40 = 259,101,727.20/x
  3. Step 3: Cross multiply
    431,094,405.60x = 646,641,608.40 × 259,101,727.20
  4. Step 4: Simplify right side
    431,094,405.60x = 167,545,957,615,826,016
  5. Step 5: Solve for x
    x = 167,545,957,615,826,016/431,094,405.60
  6. Step 6: Final answer
    x = 388,652,590.80

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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.