Home / 442,854,418.80-664,281,628.20-170,234,079.60

Finding the Fourth Proportional to 442,854,418.80, 664,281,628.20 and 170,234,079.60

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Solution

The fourth proportional to 442,854,418.80, 664,281,628.20 and 170,234,079.60 is: 255,351,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,854,418.80 : 664,281,628.20 = 170,234,079.60 : x
  2. Step 2: Convert to fraction form
    442,854,418.80/664,281,628.20 = 170,234,079.60/x
  3. Step 3: Cross multiply
    442,854,418.80x = 664,281,628.20 × 170,234,079.60
  4. Step 4: Simplify right side
    442,854,418.80x = 113,083,371,571,816,416
  5. Step 5: Solve for x
    x = 113,083,371,571,816,416/442,854,418.80
  6. Step 6: Final answer
    x = 255,351,119.40

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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.