Home / 431,262,009.76-595,247,375.28-245,732,676.16

Finding the Fourth Proportional to 431,262,009.76, 595,247,375.28 and 245,732,676.16

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Solution

The fourth proportional to 431,262,009.76, 595,247,375.28 and 245,732,676.16 is: 339,171,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,262,009.76 : 595,247,375.28 = 245,732,676.16 : x
  2. Step 2: Convert to fraction form
    431,262,009.76/595,247,375.28 = 245,732,676.16/x
  3. Step 3: Cross multiply
    431,262,009.76x = 595,247,375.28 × 245,732,676.16
  4. Step 4: Simplify right side
    431,262,009.76x = 146,271,730,504,770,208
  5. Step 5: Solve for x
    x = 146,271,730,504,770,208/431,262,009.76
  6. Step 6: Final answer
    x = 339,171,378.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.