Home / 408,837,646,749.35-612,708,296,953.08-318,188,524,263.27

Finding the Fourth Proportional to 408,837,646,749.35, 612,708,296,953.08 and 318,188,524,263.27

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Solution

The fourth proportional to 408,837,646,749.35, 612,708,296,953.08 and 318,188,524,263.27 is: 476,856,156,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,837,646,749.35 : 612,708,296,953.08 = 318,188,524,263.27 : x
  2. Step 2: Convert to fraction form
    408,837,646,749.35/612,708,296,953.08 = 318,188,524,263.27/x
  3. Step 3: Cross multiply
    408,837,646,749.35x = 612,708,296,953.08 × 318,188,524,263.27
  4. Step 4: Simplify right side
    408,837,646,749.35x = 194,956,748,811,361,924,939,776
  5. Step 5: Solve for x
    x = 194,956,748,811,361,924,939,776/408,837,646,749.35
  6. Step 6: Final answer
    x = 476,856,156,377.61

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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.