Home / 1,311,568,180.62-1,966,141,586.61-655,948,698.54

Finding the Fourth Proportional to 1,311,568,180.62, 1,966,141,586.61 and 655,948,698.54

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Solution

The fourth proportional to 1,311,568,180.62, 1,966,141,586.61 and 655,948,698.54 is: 983,317,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,568,180.62 : 1,966,141,586.61 = 655,948,698.54 : x
  2. Step 2: Convert to fraction form
    1,311,568,180.62/1,966,141,586.61 = 655,948,698.54/x
  3. Step 3: Cross multiply
    1,311,568,180.62x = 1,966,141,586.61 × 655,948,698.54
  4. Step 4: Simplify right side
    1,311,568,180.62x = 1,289,688,014,882,200,064
  5. Step 5: Solve for x
    x = 1,289,688,014,882,200,064/1,311,568,180.62
  6. Step 6: Final answer
    x = 983,317,553.70

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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.