Home / 1,820,629,833.17-2,729,838,872.22-713,908,822.21

Finding the Fourth Proportional to 1,820,629,833.17, 2,729,838,872.22 and 713,908,822.21

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Solution

The fourth proportional to 1,820,629,833.17, 2,729,838,872.22 and 713,908,822.21 is: 1,070,429,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,629,833.17 : 2,729,838,872.22 = 713,908,822.21 : x
  2. Step 2: Convert to fraction form
    1,820,629,833.17/2,729,838,872.22 = 713,908,822.21/x
  3. Step 3: Cross multiply
    1,820,629,833.17x = 2,729,838,872.22 × 713,908,822.21
  4. Step 4: Simplify right side
    1,820,629,833.17x = 1,948,856,054,099,456,768
  5. Step 5: Solve for x
    x = 1,948,856,054,099,456,768/1,820,629,833.17
  6. Step 6: Final answer
    x = 1,070,429,594.52

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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.