Home / 296,228,231.94-409,069,748.03-221,759,507.78

Finding the Fourth Proportional to 296,228,231.94, 409,069,748.03 and 221,759,507.78

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Solution

The fourth proportional to 296,228,231.94, 409,069,748.03 and 221,759,507.78 is: 306,233,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,228,231.94 : 409,069,748.03 = 221,759,507.78 : x
  2. Step 2: Convert to fraction form
    296,228,231.94/409,069,748.03 = 221,759,507.78/x
  3. Step 3: Cross multiply
    296,228,231.94x = 409,069,748.03 × 221,759,507.78
  4. Step 4: Simplify right side
    296,228,231.94x = 90,715,105,970,821,424
  5. Step 5: Solve for x
    x = 90,715,105,970,821,424/296,228,231.94
  6. Step 6: Final answer
    x = 306,233,829.83

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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.