Home / 1,873,073,484.62-2,809,782,934.83-612,544,138.52

Finding the Fourth Proportional to 1,873,073,484.62, 2,809,782,934.83 and 612,544,138.52

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Solution

The fourth proportional to 1,873,073,484.62, 2,809,782,934.83 and 612,544,138.52 is: 918,872,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,073,484.62 : 2,809,782,934.83 = 612,544,138.52 : x
  2. Step 2: Convert to fraction form
    1,873,073,484.62/2,809,782,934.83 = 612,544,138.52/x
  3. Step 3: Cross multiply
    1,873,073,484.62x = 2,809,782,934.83 × 612,544,138.52
  4. Step 4: Simplify right side
    1,873,073,484.62x = 1,721,116,067,243,639,552
  5. Step 5: Solve for x
    x = 1,721,116,067,243,639,552/1,873,073,484.62
  6. Step 6: Final answer
    x = 918,872,687.79

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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.