Home / 1,248,715,656.08-1,873,188,622.72-408,362,758.68

Finding the Fourth Proportional to 1,248,715,656.08, 1,873,188,622.72 and 408,362,758.68

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Solution

The fourth proportional to 1,248,715,656.08, 1,873,188,622.72 and 408,362,758.68 is: 612,581,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,715,656.08 : 1,873,188,622.72 = 408,362,758.68 : x
  2. Step 2: Convert to fraction form
    1,248,715,656.08/1,873,188,622.72 = 408,362,758.68/x
  3. Step 3: Cross multiply
    1,248,715,656.08x = 1,873,188,622.72 × 408,362,758.68
  4. Step 4: Simplify right side
    1,248,715,656.08x = 764,940,473,501,928,960
  5. Step 5: Solve for x
    x = 764,940,473,501,928,960/1,248,715,656.08
  6. Step 6: Final answer
    x = 612,581,791.36

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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.