Home / 1,012,872,185.82-1,519,279,935.21-322,820,847.90

Finding the Fourth Proportional to 1,012,872,185.82, 1,519,279,935.21 and 322,820,847.90

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Solution

The fourth proportional to 1,012,872,185.82, 1,519,279,935.21 and 322,820,847.90 is: 484,222,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,872,185.82 : 1,519,279,935.21 = 322,820,847.90 : x
  2. Step 2: Convert to fraction form
    1,012,872,185.82/1,519,279,935.21 = 322,820,847.90/x
  3. Step 3: Cross multiply
    1,012,872,185.82x = 1,519,279,935.21 × 322,820,847.90
  4. Step 4: Simplify right side
    1,012,872,185.82x = 490,455,236,881,949,248
  5. Step 5: Solve for x
    x = 490,455,236,881,949,248/1,012,872,185.82
  6. Step 6: Final answer
    x = 484,222,238.25

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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.