Home / 1,617,965,808.31-2,232,157,495.63-939,667,288.24

Finding the Fourth Proportional to 1,617,965,808.31, 2,232,157,495.63 and 939,667,288.24

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Solution

The fourth proportional to 1,617,965,808.31, 2,232,157,495.63 and 939,667,288.24 is: 1,296,371,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,965,808.31 : 2,232,157,495.63 = 939,667,288.24 : x
  2. Step 2: Convert to fraction form
    1,617,965,808.31/2,232,157,495.63 = 939,667,288.24/x
  3. Step 3: Cross multiply
    1,617,965,808.31x = 2,232,157,495.63 × 939,667,288.24
  4. Step 4: Simplify right side
    1,617,965,808.31x = 2,097,485,380,827,372,544
  5. Step 5: Solve for x
    x = 2,097,485,380,827,372,544/1,617,965,808.31
  6. Step 6: Final answer
    x = 1,296,371,882.56

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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.