Home / 1,182,246,619.80-1,770,346,620.90-873,869,122.20

Finding the Fourth Proportional to 1,182,246,619.80, 1,770,346,620.90 and 873,869,122.20

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Solution

The fourth proportional to 1,182,246,619.80, 1,770,346,620.90 and 873,869,122.20 is: 1,308,568,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,246,619.80 : 1,770,346,620.90 = 873,869,122.20 : x
  2. Step 2: Convert to fraction form
    1,182,246,619.80/1,770,346,620.90 = 873,869,122.20/x
  3. Step 3: Cross multiply
    1,182,246,619.80x = 1,770,346,620.90 × 873,869,122.20
  4. Step 4: Simplify right side
    1,182,246,619.80x = 1,547,051,247,595,619,328
  5. Step 5: Solve for x
    x = 1,547,051,247,595,619,328/1,182,246,619.80
  6. Step 6: Final answer
    x = 1,308,568,975.11

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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.