Home / 892,146,882.56-1,338,071,895.05-270,214,247.43

Finding the Fourth Proportional to 892,146,882.56, 1,338,071,895.05 and 270,214,247.43

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Solution

The fourth proportional to 892,146,882.56, 1,338,071,895.05 and 270,214,247.43 is: 405,276,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,146,882.56 : 1,338,071,895.05 = 270,214,247.43 : x
  2. Step 2: Convert to fraction form
    892,146,882.56/1,338,071,895.05 = 270,214,247.43/x
  3. Step 3: Cross multiply
    892,146,882.56x = 1,338,071,895.05 × 270,214,247.43
  4. Step 4: Simplify right side
    892,146,882.56x = 361,566,090,126,818,624
  5. Step 5: Solve for x
    x = 361,566,090,126,818,624/892,146,882.56
  6. Step 6: Final answer
    x = 405,276,414.90

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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.