Home / 408,837,646,745.31-612,708,296,947.04-318,188,524,259.23

Finding the Fourth Proportional to 408,837,646,745.31, 612,708,296,947.04 and 318,188,524,259.23

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Solution

The fourth proportional to 408,837,646,745.31, 612,708,296,947.04 and 318,188,524,259.23 is: 476,856,156,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,837,646,745.31 : 612,708,296,947.04 = 318,188,524,259.23 : x
  2. Step 2: Convert to fraction form
    408,837,646,745.31/612,708,296,947.04 = 318,188,524,259.23/x
  3. Step 3: Cross multiply
    408,837,646,745.31x = 612,708,296,947.04 × 318,188,524,259.23
  4. Step 4: Simplify right side
    408,837,646,745.31x = 194,956,748,806,964,750,843,904
  5. Step 5: Solve for x
    x = 194,956,748,806,964,750,843,904/408,837,646,745.31
  6. Step 6: Final answer
    x = 476,856,156,371.57

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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.