Home / 852,332,519.76-1,278,556,516.44-299,567,744.88

Finding the Fourth Proportional to 852,332,519.76, 1,278,556,516.44 and 299,567,744.88

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Solution

The fourth proportional to 852,332,519.76, 1,278,556,516.44 and 299,567,744.88 is: 449,371,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,332,519.76 : 1,278,556,516.44 = 299,567,744.88 : x
  2. Step 2: Convert to fraction form
    852,332,519.76/1,278,556,516.44 = 299,567,744.88/x
  3. Step 3: Cross multiply
    852,332,519.76x = 1,278,556,516.44 × 299,567,744.88
  4. Step 4: Simplify right side
    852,332,519.76x = 383,014,292,331,559,488
  5. Step 5: Solve for x
    x = 383,014,292,331,559,488/852,332,519.76
  6. Step 6: Final answer
    x = 449,371,909.97

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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.