Home / 1,856,239,161.56-2,785,585,406.38-873,946,617.56

Finding the Fourth Proportional to 1,856,239,161.56, 2,785,585,406.38 and 873,946,617.56

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Solution

The fourth proportional to 1,856,239,161.56, 2,785,585,406.38 and 873,946,617.56 is: 1,311,497,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,239,161.56 : 2,785,585,406.38 = 873,946,617.56 : x
  2. Step 2: Convert to fraction form
    1,856,239,161.56/2,785,585,406.38 = 873,946,617.56/x
  3. Step 3: Cross multiply
    1,856,239,161.56x = 2,785,585,406.38 × 873,946,617.56
  4. Step 4: Simplify right side
    1,856,239,161.56x = 2,434,452,943,839,234,560
  5. Step 5: Solve for x
    x = 2,434,452,943,839,234,560/1,856,239,161.56
  6. Step 6: Final answer
    x = 1,311,497,459.09

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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.