Home / 442,667,205.20-664,000,807.80-310,657,260.80

Finding the Fourth Proportional to 442,667,205.20, 664,000,807.80 and 310,657,260.80

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Solution

The fourth proportional to 442,667,205.20, 664,000,807.80 and 310,657,260.80 is: 465,985,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,667,205.20 : 664,000,807.80 = 310,657,260.80 : x
  2. Step 2: Convert to fraction form
    442,667,205.20/664,000,807.80 = 310,657,260.80/x
  3. Step 3: Cross multiply
    442,667,205.20x = 664,000,807.80 × 310,657,260.80
  4. Step 4: Simplify right side
    442,667,205.20x = 206,276,672,120,135,264
  5. Step 5: Solve for x
    x = 206,276,672,120,135,264/442,667,205.20
  6. Step 6: Final answer
    x = 465,985,891.20

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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.