Home / 1,435,738,289.28-1,981,320,240.96-775,689,092.16

Finding the Fourth Proportional to 1,435,738,289.28, 1,981,320,240.96 and 775,689,092.16

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Solution

The fourth proportional to 1,435,738,289.28, 1,981,320,240.96 and 775,689,092.16 is: 1,070,451,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,738,289.28 : 1,981,320,240.96 = 775,689,092.16 : x
  2. Step 2: Convert to fraction form
    1,435,738,289.28/1,981,320,240.96 = 775,689,092.16/x
  3. Step 3: Cross multiply
    1,435,738,289.28x = 1,981,320,240.96 × 775,689,092.16
  4. Step 4: Simplify right side
    1,435,738,289.28x = 1,536,888,498,988,494,848
  5. Step 5: Solve for x
    x = 1,536,888,498,988,494,848/1,435,738,289.28
  6. Step 6: Final answer
    x = 1,070,451,704.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.