Home / 379,908,957.88-569,961,686.04-222,474,927.88

Finding the Fourth Proportional to 379,908,957.88, 569,961,686.04 and 222,474,927.88

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Solution

The fourth proportional to 379,908,957.88, 569,961,686.04 and 222,474,927.88 is: 333,769,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,908,957.88 : 569,961,686.04 = 222,474,927.88 : x
  2. Step 2: Convert to fraction form
    379,908,957.88/569,961,686.04 = 222,474,927.88/x
  3. Step 3: Cross multiply
    379,908,957.88x = 569,961,686.04 × 222,474,927.88
  4. Step 4: Simplify right side
    379,908,957.88x = 126,802,184,992,150,016
  5. Step 5: Solve for x
    x = 126,802,184,992,150,016/379,908,957.88
  6. Step 6: Final answer
    x = 333,769,926.62

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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.