Home / 1,802,739,689.44-2,487,795,378.44-998,980,612.73

Finding the Fourth Proportional to 1,802,739,689.44, 2,487,795,378.44 and 998,980,612.73

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Solution

The fourth proportional to 1,802,739,689.44, 2,487,795,378.44 and 998,980,612.73 is: 1,378,601,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,739,689.44 : 2,487,795,378.44 = 998,980,612.73 : x
  2. Step 2: Convert to fraction form
    1,802,739,689.44/2,487,795,378.44 = 998,980,612.73/x
  3. Step 3: Cross multiply
    1,802,739,689.44x = 2,487,795,378.44 × 998,980,612.73
  4. Step 4: Simplify right side
    1,802,739,689.44x = 2,485,259,351,483,419,648
  5. Step 5: Solve for x
    x = 2,485,259,351,483,419,648/1,802,739,689.44
  6. Step 6: Final answer
    x = 1,378,601,339.98

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Double scale
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1.5x scale

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.