Home / 1,553,338,181.04-2,143,606,607.85-838,873,665.57

Finding the Fourth Proportional to 1,553,338,181.04, 2,143,606,607.85 and 838,873,665.57

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Solution

The fourth proportional to 1,553,338,181.04, 2,143,606,607.85 and 838,873,665.57 is: 1,157,645,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,338,181.04 : 2,143,606,607.85 = 838,873,665.57 : x
  2. Step 2: Convert to fraction form
    1,553,338,181.04/2,143,606,607.85 = 838,873,665.57/x
  3. Step 3: Cross multiply
    1,553,338,181.04x = 2,143,606,607.85 × 838,873,665.57
  4. Step 4: Simplify right side
    1,553,338,181.04x = 1,798,215,132,667,203,072
  5. Step 5: Solve for x
    x = 1,798,215,132,667,203,072/1,553,338,181.04
  6. Step 6: Final answer
    x = 1,157,645,614.21

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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.