Home / 478,134,300,906.36-717,201,451,408.78-159,780,499,660.80

Finding the Fourth Proportional to 478,134,300,906.36, 717,201,451,408.78 and 159,780,499,660.80

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Solution

The fourth proportional to 478,134,300,906.36, 717,201,451,408.78 and 159,780,499,660.80 is: 239,670,749,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,134,300,906.36 : 717,201,451,408.78 = 159,780,499,660.80 : x
  2. Step 2: Convert to fraction form
    478,134,300,906.36/717,201,451,408.78 = 159,780,499,660.80/x
  3. Step 3: Cross multiply
    478,134,300,906.36x = 717,201,451,408.78 × 159,780,499,660.80
  4. Step 4: Simplify right side
    478,134,300,906.36x = 114,594,806,263,545,832,931,328
  5. Step 5: Solve for x
    x = 114,594,806,263,545,832,931,328/478,134,300,906.36
  6. Step 6: Final answer
    x = 239,670,749,507.66

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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.