Home / 2,378,973,192.72-3,282,790,534.62-1,375,455,145.32

Finding the Fourth Proportional to 2,378,973,192.72, 3,282,790,534.62 and 1,375,455,145.32

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Solution

The fourth proportional to 2,378,973,192.72, 3,282,790,534.62 and 1,375,455,145.32 is: 1,898,016,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,973,192.72 : 3,282,790,534.62 = 1,375,455,145.32 : x
  2. Step 2: Convert to fraction form
    2,378,973,192.72/3,282,790,534.62 = 1,375,455,145.32/x
  3. Step 3: Cross multiply
    2,378,973,192.72x = 3,282,790,534.62 × 1,375,455,145.32
  4. Step 4: Simplify right side
    2,378,973,192.72x = 4,515,331,131,850,872,320
  5. Step 5: Solve for x
    x = 4,515,331,131,850,872,320/2,378,973,192.72
  6. Step 6: Final answer
    x = 1,898,016,819.05

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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.