Home / 1,216,206,919.98-1,824,453,867.42-911,436,135.30

Finding the Fourth Proportional to 1,216,206,919.98, 1,824,453,867.42 and 911,436,135.30

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Solution

The fourth proportional to 1,216,206,919.98, 1,824,453,867.42 and 911,436,135.30 is: 1,367,261,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,206,919.98 : 1,824,453,867.42 = 911,436,135.30 : x
  2. Step 2: Convert to fraction form
    1,216,206,919.98/1,824,453,867.42 = 911,436,135.30/x
  3. Step 3: Cross multiply
    1,216,206,919.98x = 1,824,453,867.42 × 911,436,135.30
  4. Step 4: Simplify right side
    1,216,206,919.98x = 1,662,873,181,954,423,296
  5. Step 5: Solve for x
    x = 1,662,873,181,954,423,296/1,216,206,919.98
  6. Step 6: Final answer
    x = 1,367,261,733.70

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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.