Home / 436,732,940.20-655,099,410.30-207,150,428.20

Finding the Fourth Proportional to 436,732,940.20, 655,099,410.30 and 207,150,428.20

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Solution

The fourth proportional to 436,732,940.20, 655,099,410.30 and 207,150,428.20 is: 310,725,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,732,940.20 : 655,099,410.30 = 207,150,428.20 : x
  2. Step 2: Convert to fraction form
    436,732,940.20/655,099,410.30 = 207,150,428.20/x
  3. Step 3: Cross multiply
    436,732,940.20x = 655,099,410.30 × 207,150,428.20
  4. Step 4: Simplify right side
    436,732,940.20x = 135,704,123,357,212,480
  5. Step 5: Solve for x
    x = 135,704,123,357,212,480/436,732,940.20
  6. Step 6: Final answer
    x = 310,725,642.30

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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.