Home / 1,820,629,821.87-2,729,838,855.25-713,908,810.91

Finding the Fourth Proportional to 1,820,629,821.87, 2,729,838,855.25 and 713,908,810.91

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Solution

The fourth proportional to 1,820,629,821.87, 2,729,838,855.25 and 713,908,810.91 is: 1,070,429,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,629,821.87 : 2,729,838,855.25 = 713,908,810.91 : x
  2. Step 2: Convert to fraction form
    1,820,629,821.87/2,729,838,855.25 = 713,908,810.91/x
  3. Step 3: Cross multiply
    1,820,629,821.87x = 2,729,838,855.25 × 713,908,810.91
  4. Step 4: Simplify right side
    1,820,629,821.87x = 1,948,856,011,123,873,280
  5. Step 5: Solve for x
    x = 1,948,856,011,123,873,280/1,820,629,821.87
  6. Step 6: Final answer
    x = 1,070,429,577.56

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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.