Home / 1,511,857,983.78-2,086,488,216.18-833,807,544.30

Finding the Fourth Proportional to 1,511,857,983.78, 2,086,488,216.18 and 833,807,544.30

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Solution

The fourth proportional to 1,511,857,983.78, 2,086,488,216.18 and 833,807,544.30 is: 1,150,722,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,857,983.78 : 2,086,488,216.18 = 833,807,544.30 : x
  2. Step 2: Convert to fraction form
    1,511,857,983.78/2,086,488,216.18 = 833,807,544.30/x
  3. Step 3: Cross multiply
    1,511,857,983.78x = 2,086,488,216.18 × 833,807,544.30
  4. Step 4: Simplify right side
    1,511,857,983.78x = 1,739,729,615,743,933,184
  5. Step 5: Solve for x
    x = 1,739,729,615,743,933,184/1,511,857,983.78
  6. Step 6: Final answer
    x = 1,150,722,908.11

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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.