Home / 383,454,605.40-575,181,908.10-220,195,930.20

Finding the Fourth Proportional to 383,454,605.40, 575,181,908.10 and 220,195,930.20

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Solution

The fourth proportional to 383,454,605.40, 575,181,908.10 and 220,195,930.20 is: 330,293,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,454,605.40 : 575,181,908.10 = 220,195,930.20 : x
  2. Step 2: Convert to fraction form
    383,454,605.40/575,181,908.10 = 220,195,930.20/x
  3. Step 3: Cross multiply
    383,454,605.40x = 575,181,908.10 × 220,195,930.20
  4. Step 4: Simplify right side
    383,454,605.40x = 126,652,715,288,290,416
  5. Step 5: Solve for x
    x = 126,652,715,288,290,416/383,454,605.40
  6. Step 6: Final answer
    x = 330,293,895.30

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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.