Home / 298,933,286.40-448,470,788.40-153,389,311.20

Finding the Fourth Proportional to 298,933,286.40, 448,470,788.40 and 153,389,311.20

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Solution

The fourth proportional to 298,933,286.40, 448,470,788.40 and 153,389,311.20 is: 230,120,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,933,286.40 : 448,470,788.40 = 153,389,311.20 : x
  2. Step 2: Convert to fraction form
    298,933,286.40/448,470,788.40 = 153,389,311.20/x
  3. Step 3: Cross multiply
    298,933,286.40x = 448,470,788.40 × 153,389,311.20
  4. Step 4: Simplify right side
    298,933,286.40x = 68,790,625,325,996,944
  5. Step 5: Solve for x
    x = 68,790,625,325,996,944/298,933,286.40
  6. Step 6: Final answer
    x = 230,120,326.02

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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.