Home / 862,555,819.14-1,293,373,392.54-447,614,843.82

Finding the Fourth Proportional to 862,555,819.14, 1,293,373,392.54 and 447,614,843.82

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Solution

The fourth proportional to 862,555,819.14, 1,293,373,392.54 and 447,614,843.82 is: 671,183,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,555,819.14 : 1,293,373,392.54 = 447,614,843.82 : x
  2. Step 2: Convert to fraction form
    862,555,819.14/1,293,373,392.54 = 447,614,843.82/x
  3. Step 3: Cross multiply
    862,555,819.14x = 1,293,373,392.54 × 447,614,843.82
  4. Step 4: Simplify right side
    862,555,819.14x = 578,933,129,102,735,616
  5. Step 5: Solve for x
    x = 578,933,129,102,735,616/862,555,819.14
  6. Step 6: Final answer
    x = 671,183,378.81

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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.