Home / 1,123,821,733.20-1,685,692,185.78-294,768,754.02

Finding the Fourth Proportional to 1,123,821,733.20, 1,685,692,185.78 and 294,768,754.02

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Solution

The fourth proportional to 1,123,821,733.20, 1,685,692,185.78 and 294,768,754.02 is: 442,142,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,821,733.20 : 1,685,692,185.78 = 294,768,754.02 : x
  2. Step 2: Convert to fraction form
    1,123,821,733.20/1,685,692,185.78 = 294,768,754.02/x
  3. Step 3: Cross multiply
    1,123,821,733.20x = 1,685,692,185.78 × 294,768,754.02
  4. Step 4: Simplify right side
    1,123,821,733.20x = 496,889,385,263,620,928
  5. Step 5: Solve for x
    x = 496,889,385,263,620,928/1,123,821,733.20
  6. Step 6: Final answer
    x = 442,142,530.78

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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.