Home / 318,922,600.20-478,383,900.30-273,006,097.80

Finding the Fourth Proportional to 318,922,600.20, 478,383,900.30 and 273,006,097.80

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Solution

The fourth proportional to 318,922,600.20, 478,383,900.30 and 273,006,097.80 is: 409,509,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,922,600.20 : 478,383,900.30 = 273,006,097.80 : x
  2. Step 2: Convert to fraction form
    318,922,600.20/478,383,900.30 = 273,006,097.80/x
  3. Step 3: Cross multiply
    318,922,600.20x = 478,383,900.30 × 273,006,097.80
  4. Step 4: Simplify right side
    318,922,600.20x = 130,601,721,871,247,264
  5. Step 5: Solve for x
    x = 130,601,721,871,247,264/318,922,600.20
  6. Step 6: Final answer
    x = 409,509,146.70

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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.