Home / 1,399,239,448.08-1,930,951,171.38-764,168,634

Finding the Fourth Proportional to 1,399,239,448.08, 1,930,951,171.38 and 764,168,634

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Solution

The fourth proportional to 1,399,239,448.08, 1,930,951,171.38 and 764,168,634 is: 1,054,553,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,239,448.08 : 1,930,951,171.38 = 764,168,634 : x
  2. Step 2: Convert to fraction form
    1,399,239,448.08/1,930,951,171.38 = 764,168,634/x
  3. Step 3: Cross multiply
    1,399,239,448.08x = 1,930,951,171.38 × 764,168,634
  4. Step 4: Simplify right side
    1,399,239,448.08x = 1,475,572,318,954,154,496
  5. Step 5: Solve for x
    x = 1,475,572,318,954,154,496/1,399,239,448.08
  6. Step 6: Final answer
    x = 1,054,553,115.25

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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.