Home / 623,485,672.20-935,312,489.10-214,667,137.80

Finding the Fourth Proportional to 623,485,672.20, 935,312,489.10 and 214,667,137.80

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Solution

The fourth proportional to 623,485,672.20, 935,312,489.10 and 214,667,137.80 is: 322,029,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,485,672.20 : 935,312,489.10 = 214,667,137.80 : x
  2. Step 2: Convert to fraction form
    623,485,672.20/935,312,489.10 = 214,667,137.80/x
  3. Step 3: Cross multiply
    623,485,672.20x = 935,312,489.10 × 214,667,137.80
  4. Step 4: Simplify right side
    623,485,672.20x = 200,780,854,983,690,720
  5. Step 5: Solve for x
    x = 200,780,854,983,690,720/623,485,672.20
  6. Step 6: Final answer
    x = 322,029,621.43

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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.