Home / 515,474,667.07-711,504,937.83-336,885,421.19

Finding the Fourth Proportional to 515,474,667.07, 711,504,937.83 and 336,885,421.19

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Solution

The fourth proportional to 515,474,667.07, 711,504,937.83 and 336,885,421.19 is: 464,999,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,474,667.07 : 711,504,937.83 = 336,885,421.19 : x
  2. Step 2: Convert to fraction form
    515,474,667.07/711,504,937.83 = 336,885,421.19/x
  3. Step 3: Cross multiply
    515,474,667.07x = 711,504,937.83 × 336,885,421.19
  4. Step 4: Simplify right side
    515,474,667.07x = 239,695,640,659,624,320
  5. Step 5: Solve for x
    x = 239,695,640,659,624,320/515,474,667.07
  6. Step 6: Final answer
    x = 464,999,845.72

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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.