Home / 463,306,519.82-697,464,534.58-422,072,400.22

Finding the Fourth Proportional to 463,306,519.82, 697,464,534.58 and 422,072,400.22

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Solution

The fourth proportional to 463,306,519.82, 697,464,534.58 and 422,072,400.22 is: 635,390,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,306,519.82 : 697,464,534.58 = 422,072,400.22 : x
  2. Step 2: Convert to fraction form
    463,306,519.82/697,464,534.58 = 422,072,400.22/x
  3. Step 3: Cross multiply
    463,306,519.82x = 697,464,534.58 × 422,072,400.22
  4. Step 4: Simplify right side
    463,306,519.82x = 294,380,530,175,706,944
  5. Step 5: Solve for x
    x = 294,380,530,175,706,944/463,306,519.82
  6. Step 6: Final answer
    x = 635,390,432.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.