Home / 505,344,727.12-697,380,531.08-296,504,422.48

Finding the Fourth Proportional to 505,344,727.12, 697,380,531.08 and 296,504,422.48

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Solution

The fourth proportional to 505,344,727.12, 697,380,531.08 and 296,504,422.48 is: 409,178,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,344,727.12 : 697,380,531.08 = 296,504,422.48 : x
  2. Step 2: Convert to fraction form
    505,344,727.12/697,380,531.08 = 296,504,422.48/x
  3. Step 3: Cross multiply
    505,344,727.12x = 697,380,531.08 × 296,504,422.48
  4. Step 4: Simplify right side
    505,344,727.12x = 206,776,411,616,671,104
  5. Step 5: Solve for x
    x = 206,776,411,616,671,104/505,344,727.12
  6. Step 6: Final answer
    x = 409,178,923.85

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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.